kohaku: mb/hatch/gpio: Scrub Kohaku GPIOs.
Ensure Kohaku GPIO pins are configured correctly w/r/t Hatch. Implement the
base/override model for GPIOs (regular and early). The 'hatch' baseboard
contains the base GPIOs, and variants can override individual pads.
BUG=b:
129707481
BRANCH=none
TEST=Compiles for all variants.
Change-Id: Ie5c83a0538d367ea11e9499f21cea41891d7a78e
Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32326
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>