util/lint: Make the non-ascii character check stable

Change-Id: I967f67a19a96cac8b7e0e98356e87d7d0610d4b2
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/26435
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
1 file changed