[bsp][tms320f28379d] Change license to Apache-2.0

libcpu/c28x/context.s

@@ -1,3 +1,12 @@
+;
+; Copyright (c) 2006-2018, RT-Thread Development Team
+;
+; SPDX-License-Identifier: Apache-2.0
+;
+; Change Logs:
+; Date           Author       Notes
+; 2018-09-01     xuzhuoyi     the first version.
+;
 
     .ref   _rt_interrupt_to_thread
     .ref   _rt_interrupt_from_thread

libcpu/c28x/cpuport.c

@@ -1,11 +1,7 @@
 /*
- * File      : cpuport.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team
+ * Copyright (c) 2006-2018, 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://www.rt-thread.org/license/LICENSE
+ * SPDX-License-Identifier: Apache-2.0
  *
  * Change Logs:
  * Date           Author       Notes