soc/intel/cnvw: Add GPEH Method

Add a general purpose handle to allow CNVi to be notified
of state changes.

Intel document #559910 details this.

Change-Id: I36c98c525c99fb2b7b5ebd8b0e392e6626e97290
Signed-off-by: Sean Rhodes <sean@starlabs.systems>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83710
Reviewed-by: Nicholas Sudsgaard <devel+coreboot@nsudsgaard.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions