qcacmn: Reset im stats and freq ctrl params when enable dcs wlan im

In the process of dcs disable delay, do restart(start/stop) SAP
operation, when SAP is started, it will send dcs cmd to enable
dcs wlan im again, but dcs_disable_timer is still running and
disable_delay_process is still true, dcs interference detection won't
work in time, after dcs_disable_timer timeout, it will set
disable_delay_process to false and dcs interference detection will
work again, but it will delay for some time from SAP started.

Fix is to reset im stats and freq ctrl params when enable dcs
wlan im.

Change-Id: I5be96b65037088c2797135a2b4c685c2826b2b57
CRs-Fixed: 2676033

umac/dcs/core/src/wlan_dcs.c

@@ -126,6 +126,13 @@ QDF_STATUS wlan_dcs_cmd_send(struct wlan_objmgr_psoc *psoc,
 	dcs_tx_ops = target_if_dcs_get_tx_ops(psoc);
 
 	if (dcs_tx_ops->dcs_cmd_send) {
+		if (dcs_enable & CAP_DCS_WLANIM) {
+			qdf_timer_stop(&dcs_pdev_priv->dcs_disable_timer);
+			qdf_mem_set(&dcs_pdev_priv->dcs_im_stats,
+				    sizeof(dcs_pdev_priv->dcs_im_stats), 0);
+			dcs_pdev_priv->dcs_freq_ctrl_params.
+						disable_delay_process = false;
+		}
 		dcs_info("dcs_enable: %u, pdev_id: %u", dcs_enable, pdev_id);
 		return dcs_tx_ops->dcs_cmd_send(psoc,
 						pdev_id,