lint: Make sure site-local isn't committed to coreboot repo

Change-Id: I1dc9469e3d001fe0d5b0517d45679b056586b5b3
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/13556
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed