New file for the kernel example. this will be an appendix.
(From yocto-docs rev: fca7e4fbb3d1e738700349d6169d7217c04e4b31)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>