nfc: pn533: use dev_err() instead of pr_err()

Print error message with reference to a device.
Signed-off-by: NKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/nfc/pn533/pn533.c

@@ -2171,7 +2171,7 @@ void pn533_recv_frame(struct pn533 *dev, struct sk_buff *skb, int status)
 	}
 
 	if (skb == NULL) {
-		pr_err("NULL Frame -> link is dead\n");
+		dev_err(dev->dev, "NULL Frame -> link is dead\n");
 		goto sched_wq;
 	}