qcacmn: Set WMI endpoint as async

WMI endpoint will receive commands
from both user context and kernel
context

Hence making the it as asynchronous

Change-Id: Ia969bb9db6a8978a7f50bc19f9f602dfbc1c83ea
CRs-Fixed: 2313262

wmi/src/wmi_unified.c

@@ -2803,6 +2803,8 @@ static int wmi_connect_pdev_htc_service(struct wmi_soc *soc,
 		return status;
 	}
 
+	htc_set_async_ep(soc->htc_handle, response.Endpoint, 1);
+
 	soc->wmi_endpoint_id[pdev_idx] = response.Endpoint;
 	soc->max_msg_len[pdev_idx] = response.MaxMsgLength;