rtl8xxxu: Dump contents of unhandled C2H events

Dump the contents of unhandled C2H events. We should be handling all
expected events, so this is debugging help in case an unexpected event
happens.
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c

@@ -7446,7 +7446,10 @@ static void rtl8723bu_handle_c2h(struct rtl8xxxu_priv *priv,
 			c2h->bt_mp_info.ext_id, c2h->bt_mp_info.status);
 		break;
 	default:
-		dev_info(dev, "Unhandled C2H event %02x\n", c2h->id);
+		dev_info(dev, "Unhandled C2H event %02x seq %02x\n",
+			 c2h->id, c2h->seq);
+		print_hex_dump(KERN_INFO, "C2H content: ", DUMP_PREFIX_NONE,
+			       16, 1, c2h->raw.payload, len, false);
 		break;
 	}
 }