Fixes [YOCTO #641]
New chapter added that covers the YP instance of QEMU.
(From yocto-docs rev: 7ca17d02364af7e5924e23df6c138ab4dd2203d6)
Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>