soc/intel/baytrail: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: I8b2cfe3e2090fb8eed755e40d337c6049d8dd96e
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26456
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
18 files changed