wpa_priv: Print unsupported driver event name in debug log

Signed-off-by: Jouni Malinen <j@w1.fi>
diff --git a/wpa_supplicant/wpa_priv.c b/wpa_supplicant/wpa_priv.c
index c8335fc..d361bdb 100644
--- a/wpa_supplicant/wpa_priv.c
+++ b/wpa_supplicant/wpa_priv.c
@@ -903,8 +903,8 @@
 		wpa_priv_send_ft_response(iface, data);
 		break;
 	default:
-		wpa_printf(MSG_DEBUG, "Unsupported driver event %d - TODO",
-			   event);
+		wpa_printf(MSG_DEBUG, "Unsupported driver event %d (%s) - TODO",
+			   event, event_to_string(event));
 		break;
 	}
 }