RDMA/cxgb4: Update RDMA/cxgb4 due to macro definition removal in cxgb4 driver

cxgb4 driver has duplicate definitions of registers which will be removed. This
patch updates the RDMA/cxgb4 driver accordingly.

Signed-off-by: Santosh Rastapur <santosh@chelsio.com>
Signed-off-by: Vipul Pandya <vipul@chelsio.com>
Reviewed-by: Sivakumar Subramani <sivasu@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/infiniband/hw/cxgb4/qp.c b/drivers/infiniband/hw/cxgb4/qp.c
index 45aedf1..5213bab 100644
--- a/drivers/infiniband/hw/cxgb4/qp.c
+++ b/drivers/infiniband/hw/cxgb4/qp.c
@@ -1155,7 +1155,7 @@
 		 */
 		if (cxgb4_dbfifo_count(qhp->rhp->rdev.lldi.ports[0], 1) <
 		    (qhp->rhp->rdev.lldi.dbfifo_int_thresh << 5)) {
-			writel(V_QID(qid) | V_PIDX(inc), qhp->wq.db);
+			writel(QID(qid) | PIDX(inc), qhp->wq.db);
 			break;
 		}
 		set_current_state(TASK_UNINTERRUPTIBLE);