Introduce a 4.9 bbappend for the h/w reference BSPs. Since 4.8 will
be removed, we need to have this file in place.
(From OE-Core rev: e024cb13eaf7d5bd484995390ba75f3ab85ec0ef)
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>