qcacmn: clearing jitter statistics

adding support for clearing jitter statistics
for command "cfg80211tool athX txrx_stats 257"

Change-Id: Iaac9a6e6a849bbb08935ca581fa58c93ef51bdbd

dp/wifi3.0/dp_stats.c

@@ -5366,11 +5366,11 @@ static void dp_print_jitter_stats(struct dp_peer *peer, struct dp_pdev *pdev)
 				"Total Success Count       : %llu\n"
 				"Total Drop                : %llu\n",
 				rx_tid->tid,
-				rx_tid->tx_avg_jitter,
-				rx_tid->tx_avg_delay,
-				rx_tid->tx_avg_err,
-				rx_tid->tx_total_success,
-				rx_tid->tx_drop);
+				rx_tid->stats.tx_avg_jitter,
+				rx_tid->stats.tx_avg_delay,
+				rx_tid->stats.tx_avg_err,
+				rx_tid->stats.tx_total_success,
+				rx_tid->stats.tx_drop);
 	}
 }
 #else