staging: wilc1000: ignore power save

If two interfaces are connected and it is required to enable power save then
ignore the request.
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/host_interface.c

@@ -4341,6 +4341,9 @@ int wilc_set_power_mgmt(struct wilc_vif *vif, bool enabled, u32 timeout)
 		return -EFAULT;
 	}
 
+	if (wilc_wlan_get_num_conn_ifcs(vif->wilc) == 2 && enabled)
+		return 0;
+
 	PRINT_D(HOSTINF_DBG, "Setting Power management message queue params\n");
 
 	memset(&msg, 0, sizeof(struct host_if_msg));