Addition of copyright statements to tinycrypt files
Each of the tinycrypt files have had some very minor changes, so need a
copyright statement.
diff --git a/tinycrypt/ecc_dsa.c b/tinycrypt/ecc_dsa.c
index c093ebe..a3893d3 100644
--- a/tinycrypt/ecc_dsa.c
+++ b/tinycrypt/ecc_dsa.c
@@ -1,10 +1,13 @@
/* ec_dsa.c - TinyCrypt implementation of EC-DSA */
+/*
+ * Copyright (c) 2019, Arm Limited (or its affiliates), All Rights Reserved.
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
/* Copyright (c) 2014, Kenneth MacKay
* All rights reserved.
*
- * SPDX-License-Identifier: BSD-3-Clause
- *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright notice,