style(hooks): adds Arm copyright style fix

Adds a check to pre-commit hook that makes sure "Arm" is written in a
correct case and not "arm" or "ARM". Same as a copyright-year check, the
hook will fix the issue and prompt user to stage the fix.

Change-Id: I39db148d6621d542193f3ee703bddc23c7e8dc27
Signed-off-by: Maksims Svecovs <maksims.svecovs@arm.com>
1 file changed