soc/intel/cannonlake,skylake: Fix locking SMRAM

Intel TXT SINIT required the D_LCK bit set. Although coreboot
tries to set it, the bit ws still clear. The D_LCK bit has to be
set using I/O CF8/CFC cycle.

TEST=Boot Linux with tboot on Protectli VP4670 with Intel TXT enabled

Change-Id: I03aff482b53ab7b0bcaccf18e47ad4c22b53583c
Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83728
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: coreboot org <coreboot.org@gmail.com>

0 files changed, 0 insertions, 0 deletions