Replace the use of the old device_t definition inside northbridge/intel/i945. The patch has been tested both with the arch/io.h definition of device_t enabled and disabled in order to ensure compatibility while the transaction takes place. Change-Id: I041c150a7b50261e26955ad9287ef05b9a06e412 Signed-off-by: Antonello Dettori <dev@dettori.io> Reviewed-on: https://review.coreboot.org/16371 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>