sb/intel/lynxpoint: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: I064ff5e76dd95c1770cd24139195b2a5fff2d382
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26974
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
5 files changed