qcacld-3.0: Free wow params as apart of the suspend/resume

Free wow params as apart of the suspend/resume.

Change-Id: I6a3ab9098704cfd7e7d270b0a77f0521ae9d9ce9
CRs-Fixed: 2019140

core/hdd/src/wlan_hdd_driver_ops.c

@@ -600,6 +600,8 @@ static int __wlan_hdd_bus_suspend(pm_message_t state,
 	}
 
 	hdd_info("bus suspend succeeded");
+	qdf_mem_free(params);
+	params = NULL;
 	return 0;
 
 resume_wma: