qcacmn: Add Enumeration for ioctl for video delay counters

Add enumeration for video delay counters

Change-Id: Idddbc365027ad1aa4bbaadee090960df1d8af3b2

dp/inc/cdp_txrx_stats_struct.h

@@ -1503,6 +1503,7 @@ enum _ol_ath_param_t {
 	OL_ATH_PARAM_CHAN_NON_WIFI = 393,
 #if PEER_FLOW_CONTROL
 	OL_ATH_PARAM_VIDEO_STATS_FC = 394,
+	OL_ATH_PARAM_VIDEO_DELAY_STATS_FC = 395,
 #endif
 };