This provides the functionality to provide the GPE to the pci_xhci
driver.
BUG=b:154756391, b:160651028
TEST=Dump ACPI tables and verify GPE is set. Also dump SMI regs and
verify GPE is set. Resume using a USB keyboard.
Signed-off-by: Raul E Rangel <rrangel@chromium.org>
Change-Id: Ice7203831a1f65ed32f3a6392fe02c4b17d42617
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43332
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>