doxygen: Remove copyright block from Doxygen comments
Remove the copyright block from the Doxygen comments, to clean up the
detailed description in the generated Doxygen output. Also, add \file and
\brief tags to all headers in doxygen/input.
diff --git a/doxygen/input/doc_encdec.h b/doxygen/input/doc_encdec.h
index 9538ed2..b1281cb 100644
--- a/doxygen/input/doc_encdec.h
+++ b/doxygen/input/doc_encdec.h
@@ -1,6 +1,9 @@
/**
- * @file
- * Encryption/decryption module documentation file.
+ * \file doc_encdec.h
+ *
+ * \brief Encryption/decryption module documentation file.
+ */
+/*
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0