qcacld-3.0: Update the phy mode correctly after roaming

After roaming the phy mode gets updated by FW via roam_sync event.
Update wma with the value from the roam_sync event.

Change-Id: Ie4b47ad83866f033bcd92781fdb05bd7456180f5
CRs-Fixed: 2477071

core/wma/src/wma_scan_roam.c

@@ -2884,9 +2884,16 @@ int wma_mlme_roam_synch_event_handler_cb(void *handle, uint8_t *event,
 	 * results in firmware assert.
 	 */
 	channel = wlan_freq_to_chan(wma->interfaces[synch_event->vdev_id].mhz);
-	wma_get_phy_mode_cb(channel,
-			    wma->interfaces[synch_event->vdev_id].chan_width,
-			    &wma->interfaces[synch_event->vdev_id].chanmode);
+	if (param_buf->chan) {
+		wma->interfaces[synch_event->vdev_id].chanmode =
+			WMI_GET_CHANNEL_MODE(param_buf->chan);
+	} else {
+		wma_get_phy_mode_cb(channel,
+				    wma->interfaces[synch_event->vdev_id].
+				    chan_width,
+				    &wma->interfaces[synch_event->vdev_id].
+				    chanmode);
+	}
 
 	wma->csr_roam_synch_cb((struct mac_context *)wma->mac_context,
 		roam_synch_ind_ptr, bss_desc_ptr, SIR_ROAM_SYNCH_COMPLETE);