poky.ent: Removed "python3-expect" package from 3 distros.

Fixes [YOCTO #11310]

After a bit of deliberation.. it was decided that
"python3-expect" is not needed in the Debian, Fedora,
and OpenSUSE distros as an essential package.  They are
gone.

(From yocto-docs rev: 07fcb23a03122e5f4f9bb2a32e585d9cba7d5d93)

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

1 files changed, 7 insertions, 1 deletions

diff --git a/documentation/ref-manual/migration.xml b/documentation/ref-manual/migration.xml
index 92f8a7f67b..5b6409d503 100644
--- a/documentation/ref-manual/migration.xml
+++ b/documentation/ref-manual/migration.xml
@@ -3970,11 +3970,17 @@ $ runqemu qemux86-64 tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.
             The Open-Embedded build system now uses one sysroot per
             recipe to resolve long-standing issues with configuration
             script auto-detection of undeclared dependencies.
-            Consequently, you must explicitely declare all build-time
+            Consequently, you must explicitly declare all build-time
             dependencies for your recipe.
             If you do not declare these dependencies, they are not
             populated into the sysroot for the recipe.
         </para>
+
+        <para>
+            You can find information on how this works in the
+            <link linkend='ref-classes-staging'><filename>staging</filename></link>
+            class.
+        </para>
     </section>
 
     <section id='migration-2.3-path-variable'>