mb/emulation/qemu-i440fx: Get rid of device_t

Change-Id: I11c35d22d9a9cba3cdb6af0ec1d2c01de8c20b6e
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/26476
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
1 file changed