CPU to PCH method refers to PCH ACPI operation region which was wrongly
defined as SystemMemory and PCH_PWRM_BASE_ADDRESS. Change the operation
region to be SystemIO and ACPI_BASE_ADDRESS.
BUG=b:156530805
TEST=Built and booted to kernel.
Signed-off-by: John zhao <john.zhao@intel.com>
Change-Id: Ifa291a993ec23e1e4dfad8f6cdfabc80b824d20c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41537
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>