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
  *