qcacmn: Update the dfs api

To get the channel state for 5g bonded channel using the freq
use wlan_reg_get_5g_bonded_channel_state_for_freq.

Change-Id: I0b42e9c547ba70259e88137a5a26c238cd66da8d
CRs-Fixed: 2756463

target_if/mlme/vdev_mgr/src/target_if_vdev_mgr_tx_ops.c

@@ -481,8 +481,7 @@ static QDF_STATUS target_if_vdev_mgr_start_send(
 							  START_RESPONSE_BIT);
 	} else {
 		target_if_vdev_start_link_handler(vdev,
-						  param->channel.cfreq1,
-						  param->channel.cfreq2);
+						  param->channel.dfs_set);
 	}
 	return status;
 }