sb/intel/i82801jx: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: I37be7672c88b28180d7d4b46928ebed8472ec020
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26257
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
9 files changed