qcacmn: Delete the mld peer only when all link peers are deleted

During the target recovery avoid mld peer peer deletion
before all the link peers gets deleted.

if peers are deleted during the recovery DP will not receive
peer unmap event as FW is asserted, resulting peers will be
deleted form the mld link peer list where as available in
peer id to obj map. if primary soc goes for the recovery
then mld peer is getting deleted forcefully, where as other
link peer in non primary soc is having reference to mld peer
which is already freed

Change-Id: If4dcd822f4c9bc98757952725592eb6a3f64a5db
CRs-Fixed: 3625483

dp/wifi3.0/dp_main.c

@@ -5131,7 +5131,8 @@ static void dp_vdev_flush_peers(struct cdp_vdev *vdev_handle,
 						 vdev->vdev_id,
 						 peer->mac_addr.raw, 0,
 						 DP_PEER_WDS_COUNT_INVALID);
-			SET_PEER_REF_CNT_ONE(peer);
+			if (!IS_MLO_DP_MLD_PEER(peer))
+				SET_PEER_REF_CNT_ONE(peer);
 		}
 
 		dp_peer_unref_delete(peer, DP_MOD_ID_CDP);