Add the linux-yocto_3.19.bbappend to support the genericx86 BSP
Tested on a variety of machines both 32 bit and 64 bit
(From meta-yocto rev: d54caed545cb865b4aff0a6eda381fe56a3f23ff)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>