Add the missing native functions for special gpio pads for CNL-H,
which are documented in the PCH EDS and other places.
Also, see soc/intel/tigerlake for reference.
Change-Id: I71339d66362d29806c91375c214e9fb84c989201
Signed-off-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/45203
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>