Fixes [YOCTO #2808]
Created the figure for the BitBake-resident image generation
discussion. Figure added to the Makefile so it is included
in the TARBALLS for ref-manual and mega-manual.
(From yocto-docs rev: 607c88dcf060a804475b2f4b9cf22f2d8172a61d)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>