Update checkpatch to match kernel v3.10-rc7

The checkpatch we were running was really old.  Update it to match the
current kernel style.

TEST=Run "pre-upload.py" with a checkpatch error and see it's caught.
TEST=Run "pre-upload.py" without a checkpatch error and see no errors.

Change-Id: I3c07d06fecb89aea38ae7e8f2057cab431d3198e
Reviewed-on: https://gerrit.chromium.org/gerrit/60008
Tested-by: Doug Anderson <dianders@chromium.org>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Olof Johansson <olofj@chromium.org>
Commit-Queue: Doug Anderson <dianders@chromium.org>
1 file changed