Prevent commits to common-mk

Common-mk has been moved to platform2. src/platform/common-mk should not be used
anymore.

BUG=chromium:363685
TEST=Create a commit to common-mk. repo upload -d . -> presubmit check fails.

CQ-DEPEND=CL:201938

Change-Id: Ice027091b70147505f1aaeb6091a7c82017a08ed
Reviewed-on: https://chromium-review.googlesource.com/202315
Reviewed-by: Bertrand Simonnet <bsimonnet@chromium.org>
Commit-Queue: Bertrand Simonnet <bsimonnet@chromium.org>
Tested-by: Bertrand Simonnet <bsimonnet@chromium.org>
1 file changed