util/lint: Check license headers of git hooks

Now that all the files under util/gitconfig have their license headers,
enable lint-000-license-headers to check the directory too.

Change-Id: I242256f72ac70553535509f83166c6d1ddb16fdc
Signed-off-by: Alex Thiessen <alex.thiessen.de+coreboot@gmail.com>
Reviewed-on: https://review.coreboot.org/23098
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed