util/lint/lint: Add command line parsing
The lint script just did very basic argument parsing and required the
sub-command and --junit argument to be in specific locations. I'm
adding additional commands, so the first step is to add true command
line parsing.
Signed-off-by: Martin Roth <gaumless@gmail.com>
Change-Id: I7118c29e6c5d785b35a7ae12cf5984c43ebc3ab9
Reviewed-on: https://review.coreboot.org/c/coreboot/+/67191
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>