Only guard the parts that are problematic for romstage.
Also intention is to move AMD_S3LATE_RESTORE to ramstage in followup
work, it will need OemS3LateRestore.
Change-Id: Ie9c1fb3f3f0ab1951771ed829d4acdd8a59d8fbf
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/19025
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>