qcacmn: Enable usage of delta_tsf for SAWF

Enable usage of delta_tsf for SAWF. This will be used to compute tx
delay. Also, add support to update sawf stats in tx completion.

Change-Id: Idab7fbd5217175167ecdeee21cf5dc9daf1415d6
CRs-Fixed: 3135773

dp/inc/cdp_txrx_ops.h

@@ -852,9 +852,11 @@ struct cdp_ctrl_ops {
 
 #endif
 
-#ifdef WLAN_FEATURE_TSF_UPLINK_DELAY
+#if defined(WLAN_FEATURE_TSF_UPLINK_DELAY) || defined(CONFIG_SAWF)
 	void (*txrx_set_delta_tsf)(struct cdp_soc_t *soc, uint8_t vdev_id,
 				   uint32_t delta_tsf);
+#endif
+#ifdef WLAN_FEATURE_TSF_UPLINK_DELAY
 	QDF_STATUS (*txrx_set_tsf_ul_delay_report)(struct cdp_soc_t *soc,
 						   uint8_t vdev_id,
 						   bool enable);