qcacmn: Add enhanced stats flag

Add enhanced stat flag in dp pdev to make independent of monitor ko

Change-Id: I6da989db54829e28ce680fc9671eb9b866e4b2b1
CRs-Fixed: 3020454

dp/wifi3.0/dp_internal.h

@@ -600,11 +600,6 @@ dp_monitor_get_rx_status(struct dp_pdev *pdev)
 	return NULL;
 }
 
-static inline bool dp_monitor_is_enable_enhanced_stats(struct dp_pdev *pdev)
-{
-	return false;
-}
-
 static inline
 void dp_monitor_pdev_config_scan_spcl_vap(struct dp_pdev *pdev)
 {