crossystem: add support for AMD0030 gpiochip
crossystem: add support for AMD0030 gpiochip

On AMD Stoney Ridge systems, the pinctrl (gpiochip) driver label is
"AMD0030".

Signed-off-by: Daniel Kurtz <31914e832df1cd8e5daa417106c0c6f5297b27d7@chromium.org>

BUG=b:65597554
TEST=w/ coreboot patches:
  https://review.coreboot.org/#/c/21684/
  https://review.coreboot.org/#/c/21614/
TEST=crossystem wpsw_cur
  => 0
BRANCH=None

Change-Id: Iab0a1a28dd3e42d55cf3b18503e2df0de7b8ad11
Reviewed-on: https://chromium-review.googlesource.com/685945
Commit-Ready: Daniel Kurtz <31914e832df1cd8e5daa417106c0c6f5297b27d7@chromium.org>
Tested-by: Aaron Durbin <af0622ab041e8b0f8e5819838dcc93898196e71f@chromium.org>
Reviewed-by: Aaron Durbin <af0622ab041e8b0f8e5819838dcc93898196e71f@chromium.org>

coreboot/vboot,coreboot/vboot,coreboot/vboot,coreboot/vboot,coreboot/vboot