sb/ti/pci{1x2x,i7420,xx12}: Get rid of device_t

Use of device_t has been abandoned in ramstage.

Change-Id: I37c6db65be4477dabb6064c3cc7ea1c63e467d19
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/26397
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
4 files changed