Add EC source code to pre-upload checks

The EC code base should follow Linux kernel coding style.

BUG=None
TEST="repo upload" a non-conform patch and see the warnings

Change-Id: Ifbacd574d0e0f485279a989188c9821e1fd2cdf7
Reviewed-on: https://gerrit.chromium.org/gerrit/12595
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
1 file changed