changes to reserve space for AMD_BIOS_SIG when BIOS image is signed with RTMSignature. Change-Id: Ia832fe83a3e29279c029fefc934c3ef4d335e2ea Signed-off-by: Ritul Guru <ritul.bits@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/66259 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>