This patch adds new API for enabling caching for the TSEG region
and setting up required MTRR for next stage.
BUG=b:140008206
TEST=Build and boot CML-Hatch.
Change-Id: I59432c02e04af1b931d77de3f6652b0327ca82bb
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/34995
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>