sdk-manual, mega-manual: Added new figure for Eclipse flow.

(From yocto-docs rev: 27150d4ed7dded90d726d91d92e4f905d365c3ba)

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