rilmodem: fix WCDMA only in query rat mode

ofono/drivers/rilmodem/radio-settings.c

@@ -198,6 +198,7 @@ static void ril_rat_mode_cb(struct ril_msg *message, gpointer user_data)
 	 * capabilities, so it is sort of the default for MTK modems.
 	 */
 	switch (net_type) {
+	case PREF_NET_TYPE_WCDMA:
 	case PREF_NET_TYPE_GSM_WCDMA:
 	case PREF_NET_TYPE_GSM_WCDMA_AUTO:
 		mode = OFONO_RADIO_ACCESS_MODE_UMTS;