IB/qib: Switch from dma_device to dev.parent

Prepare for removal of ib_device.dma_device.
Signed-off-by: NBart Van Assche <bart.vanassche@sandisk.com>
Cc: Latif <faisal.latif@intel.com>
Signed-off-by: NDoug Ledford <dledford@redhat.com>

drivers/infiniband/hw/qib/qib_verbs.c

@@ -1632,7 +1632,7 @@ int qib_register_ib_device(struct qib_devdata *dd)
 	ibdev->owner = THIS_MODULE;
 	ibdev->node_guid = ppd->guid;
 	ibdev->phys_port_cnt = dd->num_pports;
-	ibdev->dma_device = &dd->pcidev->dev;
+	ibdev->dev.parent = &dd->pcidev->dev;
 	ibdev->modify_device = qib_modify_device;
 	ibdev->process_mad = qib_process_mad;