qcacld-3.0: release each skb in loop from nbuf tracking

Current debug code incorrectly releases parent skb multiple times
while traversing the skb_list. Fix the bug by releasing individual
skbs in a list.

Change-Id: I7047dfc07407275aa7f06cb22840023331ec186f
CRs-Fixed: 2040538

core/hdd/src/wlan_hdd_softap_tx_rx.c

@@ -760,7 +760,7 @@ QDF_STATUS hdd_softap_rx_packet_cbk(void *context, qdf_nbuf_t rxBuf)
 		/* Remove SKB from internal tracking table before submitting
 		 * it to stack
 		 */
-		qdf_net_buf_debug_release_skb(rxBuf);
+		qdf_net_buf_debug_release_skb(skb);
 		if (hdd_napi_enabled(HDD_NAPI_ANY) &&
 			!pHddCtx->enableRxThread)
 			rxstat = netif_receive_skb(skb);