Enable PCH thermal sensor for dynamic thermal shutdown for S0ix state. BUG=None BRANCH=None TEST=Verified Thermal Device (B0: D18: F0) TSPM offset 0x1c [LTT (8:0)] value is 0xFE. Change-Id: I50796bcf9e0d5a65cd7ba63fedd932967c4c1ff9 Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/34522 Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Subrata Banik <subrata.banik@intel.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>