RDMA/nes: Print IPv4 addresses in a readable format

Use NIPQUAD_FMT instead of printing raw 32-bit hex quantities in
debugging output.

Acked-by: Glenn Streiff <gstreiff@neteffect.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

drivers/infiniband/hw/nes/nes_utils.c

@@ -660,7 +660,9 @@ int nes_arp_table(struct nes_device *nesdev, u32 ip_addr, u8 *mac_addr, u32 acti
 
 	/* DELETE or RESOLVE */
 	if (arp_index == nesadapter->arp_table_size) {
-		nes_debug(NES_DBG_NETDEV, "mac address not in ARP table - cannot delete or resolve\n");
+		nes_debug(NES_DBG_NETDEV, "MAC for " NIPQUAD_FMT " not in ARP table - cannot %s\n",
+			  HIPQUAD(ip_addr),
+			  action == NES_ARP_RESOLVE ? "resolve" : "delete");
 		return -1;
 	}