Check that all patches have Signed-off-by and Upstream-Status.
[YOCTO #5427]
(From OE-Core rev: a2b6be10daca733ba4e557bd2d831c60589e9ffd)
Signed-off-by: Chong Lu <Chong.Lu@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>