P2P: Increase Tx packet count on packet transmission by softAp/p2p GO.

As split scan is enabled or disabled automatically based on Rx/Tx stats,
the Tx packet count should be incremented on packet transmission by
softAP or p2p GO.

CRs-Fixed: 596651
Change-Id: Iebf0096c4e1f09d83dcce5731327318311074037
diff --git a/CORE/HDD/src/wlan_hdd_softap_tx_rx.c b/CORE/HDD/src/wlan_hdd_softap_tx_rx.c
index a7b4024..baa7b26 100644
--- a/CORE/HDD/src/wlan_hdd_softap_tx_rx.c
+++ b/CORE/HDD/src/wlan_hdd_softap_tx_rx.c
@@ -439,6 +439,7 @@
 
    ++pAdapter->hdd_stats.hddTxRxStats.txXmitQueued;
    ++pAdapter->hdd_stats.hddTxRxStats.txXmitQueuedAC[ac];
+   ++pAdapter->hdd_stats.hddTxRxStats.pkt_tx_count;
 
    if (1 == pktListSize)
    {