I modified the sdg.png figure that shows detail for SDK
generation by creating a spatula-like shape for the general
BitBake box.
(From yocto-docs rev: 597d121e8286d51be73f87594d2f99354621c112)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>