[example] 对版权信息进行人工扫描并添加确实的版权信息

examples/test/device_test.c

@@ -1,11 +1,7 @@
 /*
- * File      : device_test.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2011, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
- * The license and distribution terms for this file may be
- * found in the file LICENSE in this distribution or at
- * http://openlab.rt-thread.com/license/LICENSE.
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes