sb/intel/i82870: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: I751b72733de2e3bf3aebd1bc85dc83ec1c406faa
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26258
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
2 files changed