manuals: improve the width of diagrams

Better for EPUB output in particular
- Make some diagrams wider when necessary
- Remove ":align: center" when we have ":width: 100%"
- Update the standards.md files to mention this

(From yocto-docs rev: 848ba7bd8984cc3f4bf6b818259865011cde0476)

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

1 files changed, 2 insertions, 0 deletions

diff --git a/documentation/sdk-manual/working-projects.rst b/documentation/sdk-manual/working-projects.rst
index 276daa9bb6..efef5c8bd2 100644
--- a/documentation/sdk-manual/working-projects.rst
+++ b/documentation/sdk-manual/working-projects.rst
@@ -19,6 +19,7 @@ The following figure presents a simple Autotools workflow.
 
 .. image:: figures/sdk-autotools-flow.png
    :align: center
+   :width: 70%
 
 Follow these steps to create a simple Autotools-based "Hello World"
 project:
@@ -168,6 +169,7 @@ variables and Makefile variables during development.
 
 .. image:: figures/sdk-makefile-flow.png
    :align: center
+   :width: 70%
 
 The main point of this section is to explain the following three cases
 regarding variable behavior: