qcacmn: aggr ba enable set for firmware compatibility

firmware will honor ADDBA aggr size config from host if host
set aggr_ba_enable else default behavior intact.

Change-Id: Iaaf929a74b44ac94370f1d98b7aef7aaec308eff
CRs-Fixed: 2852999

umac/mlme/vdev_mgr/dispatcher/inc/wlan_vdev_mgr_tgt_if_tx_defs.h

@@ -394,7 +394,8 @@ struct set_custom_aggr_size_params {
 		 tx_aggr_size_disable:1,
 		 rx_aggr_size_disable:1,
 		 tx_ac_enable:1,
-		 reserved:26;
+		 aggr_ba_enable:1,
+		 reserved:25;
 };
 
 /**