sb/intel/fsp_bd82x6x: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: I499414c067b06fa94b53832894e804118f7c3e80
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26248
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
8 files changed