nb/intel/fsp_sandybridge: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: Id3289c891e8a81c750fc3f5fad0fd16c0f2702fe
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26195
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
3 files changed