nb/intel/fsp_rangeley: Get rid of device_t

Use of `device_t` has been abandoned in ramstage.

Change-Id: I0b969a5109276d108e6140bad338c74786b967f3
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/23671
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
3 files changed