google/kahlee: Add RW_NVRAM to FMAP

Add RW_NVRAM area to FMAP for VBOOT_VBNV_CMOS_BACKUP_TO_FLASH support.

BUG=b:77347873
TEST=Manually clear CMOS and check coreboot restores VBNV from flash.

Change-Id: Id8c6f54634b94bf6ae3755a827e80d0862a42dd2
Signed-off-by: Marc Jones <marc.jones@scarletltd.com>
Reviewed-on: https://review.coreboot.org/25843
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Martin Roth <martinroth@google.com>
2 files changed