soc/intel/car: Add support for bootguard CAR

Bootguard sets up CAR/NEM on its own so the only thing needed is to
find free MTRRs for our own CAR region and clear that area to fill in
cache lines.

TESTED on prodrive/hermes with bootguard enabled.

Change-Id: Ifac5267f8f4b820a61519fb4a497e2ce7075cc40
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36682
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

0 files changed, 0 insertions, 0 deletions