mb/roda: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: I0830e5519256122e3fe9f142c4c8e1e5e85f9a8c
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26113
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
2 files changed