Enable the Kconfig flag VBOOT_VBNV_CMOS_BACKUP_TO_FLASH for psp_verstage
to save the vbnv data to the SPI rom.
BUG=b:161366241
TEST=Boot Morphius, Read rom from SPI and extract the RW_NVRAM region.
See that it's getting updated.
Signed-off-by: Martin Roth <martinroth@chromium.org>
Change-Id: I0d4b92fa321a8409468b8d8fc40be0d4b57b664b
Reviewed-on: https://review.coreboot.org/c/coreboot/+/43487
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>