checkpatch: update with latest checkpatch from the linux kernel

Update with commit 577f12c07e4edd54730dc559a9c7bc44d22bf7dc from the Linux
kernel.

Change-Id: I6314dd41eb200c87cdcc6f212f13d3351128de0d
Signed-off-by: Anas Nashif <anas.nashif@intel.com>
1 file changed