ref-manual: variables: document KERNEL_IMAGETYPES

Cc: He Zhe <zhe.he@windriver.com>
Cc: Ross Burton <ross.burton@arm.com>
Cc: Richard Purdie <richard.purdie@linuxfoundation.org>
(From yocto-docs rev: aef81b8d19a31dcd1eef5a0023f43d81875ca215)

Signed-off-by: Johan Korsnes <johan.korsnes@remarkable.no>
Reviewed-by: Quentin Schulz <foss+yocto@0leil.net>
Reviewed-by: Michael Opdenacker <michael.opdenacker@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 8 insertions, 6 deletions

diff --git a/documentation/ref-manual/variables.rst b/documentation/ref-manual/variables.rst
index 4b1cf75136..fe845bf375 100644
--- a/documentation/ref-manual/variables.rst
+++ b/documentation/ref-manual/variables.rst
@@ -3985,11 +3985,10 @@ system and gives an overview of their function and contents.
 
          KCONFIG_MODE = "alldefconfig"
 
-
    :term:`KERNEL_ALT_IMAGETYPE`
       Specifies an alternate kernel image type for creation in addition to
-      the kernel image type specified using the
-      :term:`KERNEL_IMAGETYPE` variable.
+      the kernel image type specified using the :term:`KERNEL_IMAGETYPE` and
+      :term:`KERNEL_IMAGETYPES` variables.
 
    :term:`KERNEL_ARTIFACT_NAME`
       Specifies the name of all of the build artifacts. You can change the
@@ -4173,9 +4172,12 @@ system and gives an overview of their function and contents.
       when building the kernel and is passed to ``make`` as the target to
       build.
 
-      If you want to build an alternate kernel image type in addition to that
-      specified by :term:`KERNEL_IMAGETYPE`, use the :term:`KERNEL_ALT_IMAGETYPE`
-      variable.
+      To build additional kernel image types, use :term:`KERNEL_IMAGETYPES`.
+
+   :term:`KERNEL_IMAGETYPES`
+      Lists additional types of kernel images to build for a device in addition
+      to image type specified in :term:`KERNEL_IMAGETYPE`. Usually set by the
+      machine configuration files.
 
    :term:`KERNEL_MODULE_AUTOLOAD`
       Lists kernel modules that need to be auto-loaded during boot.