qcacmn: fix dp_rx_defrag_add_last_frag peer tid array invalid access

In some case, HW will fill in unexpected peer_id into RX PKT TLV,
if this peer_id related peer is valid by coincidence, but actually
this peer won't do dp_peer_rx_init(like SAP Vdev self peer),
then invalid accessing to peer rx tid will happen.

do SW WAR that add checking about peer tid array, if not initialed,
free the rx nbuf.

Change-Id: Icf196b4f92eb341e1ace5128c681d24c41dff6cd
CRs-Fixed: 2468537

dp/wifi3.0/dp_stats.c

@@ -5096,6 +5096,8 @@ void dp_txrx_path_stats(struct dp_soc *soc)
 			       pdev->soc->stats.rx.err.rx_invalid_pkt_len.num);
 		DP_PRINT_STATS("sa or da idx invalid %u",
 			       pdev->soc->stats.rx.err.invalid_sa_da_idx);
+		DP_PRINT_STATS("defrag peer uninit %u",
+			       pdev->soc->stats.rx.err.defrag_peer_uninit);
 
 		DP_PRINT_STATS("Reo Statistics");
 		DP_PRINT_STATS("rbm error: %u msdus",
@@ -5556,6 +5558,8 @@ dp_print_soc_rx_stats(struct dp_soc *soc)
 		       soc->stats.rx.err.invalid_vdev);
 	DP_PRINT_STATS("Invalid sa_idx or da_idx = %d",
 		       soc->stats.rx.err.invalid_sa_da_idx);
+	DP_PRINT_STATS("Defrag peer uninit = %d",
+		       soc->stats.rx.err.defrag_peer_uninit);
 	DP_PRINT_STATS("Invalid Pdev = %d",
 		       soc->stats.rx.err.invalid_pdev);
 	DP_PRINT_STATS("Invalid Peer = %d",