core-image-multilib-example: base on weston, and not sato

(From OE-Core rev: 56cd96651c6304712fd544fbc9b69c986d2b2efe)

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-skeleton/recipes-multilib/images/core-image-multilib-example.bb

@@ -6,7 +6,7 @@ SUMMARY = "An example of a multilib image"
 #
 
 # First include a base image to base things off
-require recipes-sato/images/core-image-sato.bb
+require recipes-graphics/images/core-image-weston.bb
 
 # Now add the multilib packages we want to install
 IMAGE_INSTALL += "lib32-bash"