overview-manual, ref-manual, dev-manual: Moved x32 stuff

Fixes [YOCTO #12370]

The section on the x32 psABI topic was in the "technical details"
section of the reference manual.  This section combined conceptual
and "how to" information for x32 psABI.  I moved the conceptual
information to a new chapter in the overview-manual.  I moved the
"how-to" information to a separate topic in the dev-manual.  This
resulted in the mega-manual being updated to take on a new chapter
for the overview-manual (overview-concepts.xml).  No links were
affected.

(From yocto-docs rev: 84da28a4ad0f3f89bfc865f410a5d06b57439beb)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/documentation/mega-manual/mega-manual.xml b/documentation/mega-manual/mega-manual.xml
index efefa17032..c0838970e5 100644
--- a/documentation/mega-manual/mega-manual.xml
+++ b/documentation/mega-manual/mega-manual.xml
@@ -141,6 +141,9 @@
     <xi:include
         xmlns:xi="http://www.w3.org/2003/XInclude" href="../overview-manual/overview-development-environment.xml"/>
 
+    <xi:include
+        xmlns:xi="http://www.w3.org/2003/XInclude" href="../overview-manual/overview-concepts.xml"/>
+
 <!-- Includes dev-manual title image and then dev-manual chapters -->
 
     <para>