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_hashing.h b/doxygen/input/doc_hashing.h
index 49f15ea..e54b28e 100644
--- a/doxygen/input/doc_hashing.h
+++ b/doxygen/input/doc_hashing.h
@@ -1,6 +1,9 @@
/**
- * @file
- * Hashing module documentation file.
+ * \file doc_hashing.h
+ *
+ * \brief Hashing module documentation file.
+ */
+/*
*
* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0