qcacmn: Implement delay VOW stats for hawkeye

Delay counters per TID have been implemented for following types:
1. Linux stack to hw enqueue delay
2. HW enqueue delay to tx completion delay
3. TX interframe delay
4. RX interframe delay
5. RX frame delay from ring reap to networking stack

Change-Id: I836596cbd878a43955c18b4981cb5b7b43d4df5e

dp/wifi3.0/dp_rx.h

@@ -987,4 +987,5 @@ dp_rx_nbuf_prepare(struct dp_soc *soc, struct dp_pdev *pdev);
 void dp_rx_dump_info_and_assert(struct dp_soc *soc, void *hal_ring,
 				void *ring_desc, struct dp_rx_desc *rx_desc);
 
+void dp_rx_compute_delay(struct dp_vdev *vdev, qdf_nbuf_t nbuf);
 #endif /* _DP_RX_H */