This allows the board to save the recovery request in case of unexpected reboots caused by FSP. BUG=chrome-os-partner:55431 Change-Id: If71802d2cba52a426f4c2db90d6c5384ed03ce68 Signed-off-by: Furquan Shaikh <furquan@google.com> Reviewed-on: https://review.coreboot.org/15803 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)