Update Doxygen file blocks to remove copyright and license information
diff --git a/configs/config-no-entropy.h b/configs/config-no-entropy.h
index 7375860..b4a0930 100644
--- a/configs/config-no-entropy.h
+++ b/configs/config-no-entropy.h
@@ -1,6 +1,9 @@
/**
- * Minimal configuration of features that do not require an entropy source
+ * \file config-no-entropy.h
*
+ * \brief Minimal configuration of features that do not require an entropy source
+ */
+/*
* Copyright (C) 2016, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*