Use the common preloader for fsp-s
Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: Iea7011d37667f3f04ce842038346741fba66b1dc
Reviewed-on: https://review.coreboot.org/c/coreboot/+/71847
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>