qcacmn: Initialize wds ext field in txrx_peer

Initialize wds ext field in txrx_peer.

Change-Id: I0aaedcc7cffc64fb02ba8128985291b431383425
CRs-Fixed: 3504698

dp/wifi3.0/dp_internal.h

@@ -1455,6 +1455,7 @@ bool dp_vdev_is_wds_ext_enabled(struct dp_vdev *vdev);
 #ifdef QCA_SUPPORT_WDS_EXTENDED
 static inline void dp_wds_ext_peer_init(struct dp_txrx_peer *txrx_peer)
 {
+	txrx_peer->wds_ext.osif_peer = NULL;
 	txrx_peer->wds_ext.init = 0;
 }
 #else