Update cmain.S license

cmsis/TOOLCHAIN_IAR/cmain.S

@@ -3,12 +3,27 @@
  * Part two of the system initialization code, contains C-level
  * initialization, thumb-2 only variant.
  *
- * Copyright 2006 IAR Systems. All rights reserved.
- *
  * $Revision: 59783 $
  *
  **************************************************/
+/* Copyright 2008-2017, IAR Systems AB.
+   This source code is the property of IAR Systems. The source code may only
+   be used together with the IAR Embedded Workbench. Redistribution and use
+   in source and binary forms, with or without modification, is permitted
+   provided that the following conditions are met:
+   - Redistributions of source code, in whole or in part, must retain the
+     above copyright notice, this list of conditions and the disclaimer below.
+   - IAR Systems name may not be used to endorse or promote products
+     derived from this software without specific prior written permission.
 
+   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
 
 ; --------------------------------------------------
 ; Module ?cmain, C-level initialization.