manuals: fix trailing spaces

Fixing errors reported by "make sphinx-lint"

(From yocto-docs rev: ef6b650c31c4320314564bb85a45eebde3fd98c1)

Signed-off-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

3 files changed, 19 insertions, 19 deletions

diff --git a/documentation/ref-manual/classes.rst b/documentation/ref-manual/classes.rst
index a1e160bb44..1d01456ece 100644
--- a/documentation/ref-manual/classes.rst
+++ b/documentation/ref-manual/classes.rst
@@ -665,7 +665,7 @@ The padding size can be modified by setting :term:`DT_PADDING_SIZE`
 to the desired size, in bytes.
 
 See :oe_git:`devicetree.bbclass sources
-</openembedded-core/tree/meta/classes-recipe/devicetree.bbclass>` 
+</openembedded-core/tree/meta/classes-recipe/devicetree.bbclass>`
 for further variables controlling this class.
 
 Here is an excerpt of an example ``recipes-kernel/linux/devicetree-acme.bb``
@@ -3284,7 +3284,7 @@ The variables used by this class are:
 -  :term:`UBOOT_FIT_KEY_REQ_ARGS`: ``openssl req`` arguments.
 -  :term:`UBOOT_FIT_SIGN_ALG`: signature algorithm for the FIT image.
 -  :term:`UBOOT_FIT_SIGN_NUMBITS`: size of the private key for FIT image
-   signing.                                                  
+   signing.
 -  :term:`UBOOT_FIT_KEY_SIGN_PKCS`: algorithm for the public key certificate
    for FIT image signing.
 -  :term:`UBOOT_FITIMAGE_ENABLE`: enable the generation of a U-Boot FIT image.
diff --git a/documentation/ref-manual/tasks.rst b/documentation/ref-manual/tasks.rst
index c28cd7a94a..2e4b23408d 100644
--- a/documentation/ref-manual/tasks.rst
+++ b/documentation/ref-manual/tasks.rst
@@ -358,7 +358,7 @@ information.
 ``do_populate_sdk_ext``
 -----------------------
 
-Creates the file and directory structure for an installable extensible 
+Creates the file and directory structure for an installable extensible
 SDK (eSDK). See the ":ref:`overview-manual/concepts:sdk generation`"
 section in the Yocto Project Overview and Concepts Manual for more
 information.
diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 435481c9aa..52062b63fa 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -2983,18 +2983,18 @@ system and gives an overview of their function and contents.
 
    :term:`FIT_ADDRESS_CELLS`
       Specifies the value of the ``#address-cells`` value for the
-      description of the FIT image.  
+      description of the FIT image.
 
       The default value is set to "1" by the :ref:`ref-classes-kernel-fitimage`
-      class, which corresponds to 32 bit addresses. 
+      class, which corresponds to 32 bit addresses.
 
       For platforms that need to set 64 bit addresses, for example in
       :term:`UBOOT_LOADADDRESS` and :term:`UBOOT_ENTRYPOINT`, you need to
-      set this value to "2", as two 32 bit values (cells) will be needed 
+      set this value to "2", as two 32 bit values (cells) will be needed
       to represent such addresses.
 
       Here is an example setting "0x400000000" as a load address::
-    
+
          FIT_ADDRESS_CELLS = "2"
          UBOOT_LOADADDRESS= "0x04 0x00000000"
 
@@ -3971,15 +3971,15 @@ system and gives an overview of their function and contents.
       Specifies a space-separated list of license names (as they would
       appear in :term:`LICENSE`) that should be excluded
       from the build (if set globally), or from an image (if set locally
-      in an image recipe). 
+      in an image recipe).
 
       When the variable is set globally, recipes that provide no alternatives to listed
       incompatible licenses are not built. Packages that are individually
-      licensed with the specified incompatible licenses will be deleted. 
+      licensed with the specified incompatible licenses will be deleted.
       Most of the time this does not allow a feasible build (because it becomes impossible
       to satisfy build time dependencies), so the recommended way to
       implement license restrictions is to set the variable in specific
-      image recipes where the restrictions must apply. That way there 
+      image recipes where the restrictions must apply. That way there
       are no build time restrictions, but the license check is still
       performed when the image's filesystem is assembled from packages.
 
@@ -4495,12 +4495,12 @@ system and gives an overview of their function and contents.
       When kernel configuration fragments are missing for some
       :term:`KERNEL_FEATURES` specified by layers or BSPs,
       building and configuring the kernel stops with an error.
-    
+
       You can turn these errors into warnings by setting the
       following in ``conf/local.conf``::
 
          KERNEL_DANGLING_FEATURES_WARN_ONLY = "1"
-    
+
       You will still be warned that runtime issues may occur,
       but at least the kernel configuration and build process will
       be allowed to continue.
@@ -7868,7 +7868,7 @@ system and gives an overview of their function and contents.
       This option allows to associate `SPDX annotations
       <https://spdx.github.io/spdx-spec/v2.3/annotations/>`__ to a recipe,
       using the values of variables in the recipe::
-        
+
          ANNOTATION1 = "First annotation for recipe"
          ANNOTATION2 = "Second annotation for recipe"
          SPDX_CUSTOM_ANNOTATION_VARS = "ANNOTATION1 ANNOTATION2"
@@ -7991,7 +7991,7 @@ system and gives an overview of their function and contents.
       The name of keys used by the :ref:`ref-classes-kernel-fitimage` class
       for signing U-Boot FIT image stored in the :term:`SPL_SIGN_KEYDIR`
       directory. If we have for example a ``dev.key`` key and a ``dev.crt``
-      certificate stored in the :term:`SPL_SIGN_KEYDIR` directory, you will 
+      certificate stored in the :term:`SPL_SIGN_KEYDIR` directory, you will
       have to set :term:`SPL_SIGN_KEYNAME` to ``dev``.
 
    :term:`SPLASH`
@@ -8028,7 +8028,7 @@ system and gives an overview of their function and contents.
 
           EXTRA_OECONF += "--disable-startup-msg --enable-img-fullscreen"
 
-      For information on append files, see the                                                                            
+      For information on append files, see the
       ":ref:`dev-manual/layers:appending other layers metadata with your layer`"
       section.
 
@@ -9442,10 +9442,10 @@ system and gives an overview of their function and contents.
 
    :term:`UBOOT_FIT_ADDRESS_CELLS`
       Specifies the value of the ``#address-cells`` value for the
-      description of the U-Boot FIT image.  
+      description of the U-Boot FIT image.
 
       The default value is set to "1" by the :ref:`ref-classes-uboot-sign`
-      class, which corresponds to 32 bit addresses. 
+      class, which corresponds to 32 bit addresses.
 
       For platforms that need to set 64 bit addresses in
       :term:`UBOOT_LOADADDRESS` and :term:`UBOOT_ENTRYPOINT`, you need to
@@ -9453,7 +9453,7 @@ system and gives an overview of their function and contents.
       to represent such addresses.
 
       Here is an example setting "0x400000000" as a load address::
-    
+
          UBOOT_FIT_ADDRESS_CELLS = "2"
          UBOOT_LOADADDRESS= "0x04 0x00000000"
 
@@ -9516,7 +9516,7 @@ system and gives an overview of their function and contents.
          UBOOT_FITIMAGE_ENABLE = "1"
 
       See the :ref:`ref-classes-uboot-sign` class for details.
-      
+
    :term:`UBOOT_LOADADDRESS`
       Specifies the load address for the U-Boot image. During U-Boot image
       creation, the :term:`UBOOT_LOADADDRESS` variable is passed as a