util/lint: Exclude util/superiotool from checkpatch

`superiotool` follows its own style (e.g. lot's of missing spaces
and odd placement of braces in the register descriptions).

Change-Id: Ifa33938a0fbac10577cbda10537f856f6f100233
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/28214
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions