qcacld-3.0: Fix watchdog bark issue when do traffic on HL card
When data traffic is running on HL card, it will hit watchdog
bark issue. It's caused by wrong pointer usage in ol_tx_queue.c.
Add fix to sync with qcacld-2.0.
Change-Id: I7869ef86839e69e515ccd70795b3909abc09d46c
CRs-Fixed: 2053632