crossystem: add support for ICL gpiochip
crossystem: add support for ICL gpiochip

On Icelake platform, the pinctrl (gpiochip) driver label is "INT3455:00",
hence declare it properly.

TEST=run 'crossystem wpsw_cur' and see '0' rather than an error
on dragonegg platform.

Change-Id: I34e24478934a8fbaf9777a8340672697f7642ba3
Signed-off-by: Subrata Banik <998ae00e823992449b899fc0669e1bde10672d4f@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/1307200
Reviewed-by: Aaron Durbin <af0622ab041e8b0f8e5819838dcc93898196e71f@chromium.org>
Reviewed-by: Furquan Shaikh <6be5c96c464778f89679b1062a2e0a6af93d2aa5@chromium.org>

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