NTB: Differentiate transport link down messages

The same message "qp %d: Link Down\n" was printed at two locations in
ntb_transport.  Change the messages so they are distinct.

Signed-off-by: Allen Hubbe <Allen.Hubbe@emc.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

drivers/ntb/ntb_transport.c

@@ -658,7 +658,7 @@ static void ntb_qp_link_cleanup(struct ntb_transport_qp *qp)
 		return;
 	}
 
-	dev_info(&pdev->dev, "qp %d: Link Down\n", qp->qp_num);
+	dev_info(&pdev->dev, "qp %d: Link Cleanup\n", qp->qp_num);
 	qp->link_is_up = false;
 
 	if (qp->event_handler)
@@ -1470,7 +1470,7 @@ static void ntb_send_link_down(struct ntb_transport_qp *qp)
 		return;
 
 	qp->link_is_up = false;
-	dev_info(&pdev->dev, "qp %d: Link Down\n", qp->qp_num);
+	dev_info(&pdev->dev, "qp %d: Send Link Down\n", qp->qp_num);
 
 	for (i = 0; i < NTB_LINK_DOWN_TIMEOUT; i++) {
 		entry = ntb_list_rm(&qp->ntb_tx_free_q_lock, &qp->tx_free_q);