Drop fix_warnings.patch as it's been merged upstream.
(From OE-Core rev: 8c1f4cbb789a5b32c8b33b3863359897f32bd49d)
Signed-off-by: Alexander Kanavin <alexander.kanavin@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>