This change provides an interface for canonlake to set TCC.
With this change, we can add code to update Tcc in devicetree.
BUG=b:122636962
TEST=Match the result from TAT UI
Change-Id: Ib54a118e4e409919e3e60112e4621a109404b16d
Signed-off-by: John Su <john_su@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/30803
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Lijian Zhao <lijian.zhao@intel.com>
3126964d96