yocto-bsp: Update qemu inclusion lists

Update qemu tune definitions to match changes in main qemu machines.

[YOCTO #6482]

(From meta-yocto rev: 6c9bbe848b4134a38ffac2c1ac02f32368f55081)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
documentation: Updated the date in Manual Revision History table

Updated the manuals for a December 2014 1.5.4 release date.

(From yocto-docs rev: 34d5133e8b97a8debb2458733a2b15ad3f0988d0)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>