Add parameters to support adding the location and size of the PSP NVRAM area to the PSP directory table. Verified this change on PCO based Bilby platform. Change-Id: I1664893db6f6dcdc588aeaf9448c2d81390af5fa Signed-off-by: Ritul Guru <ritul.bits@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/67137 Reviewed-by: Felix Held <felix-coreboot@felixheld.de> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>