This is a security lock and is required for TXT, among other things. Tested on Asrock B85M Pro4, still boots. Change-Id: I7b2e8a60ce92cbf523c520be0b365f28413b9624 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/44884 Reviewed-by: Michael Niewöhner Tested-by: build bot (Jenkins) <no-reply@coreboot.org>