Add review exception warning

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/scripts/mbedtls_dev/c_parsing_helper.py b/scripts/mbedtls_dev/c_parsing_helper.py
index 3bb6f04..72214d5 100644
--- a/scripts/mbedtls_dev/c_parsing_helper.py
+++ b/scripts/mbedtls_dev/c_parsing_helper.py
@@ -8,6 +8,10 @@
 # Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 
+### WARNING: the code in this file has not been extensively reviewed yet.
+### We do not think it is harmful, but it may be below our normal standards
+### for robustness and maintainability.
+
 import re
 from typing import Dict, Iterable, Iterator, List, Optional, Tuple
 
diff --git a/scripts/mbedtls_dev/c_wrapper_generator.py b/scripts/mbedtls_dev/c_wrapper_generator.py
index 2bed44b..71d3ba2 100644
--- a/scripts/mbedtls_dev/c_wrapper_generator.py
+++ b/scripts/mbedtls_dev/c_wrapper_generator.py
@@ -4,6 +4,10 @@
 # Copyright The Mbed TLS Contributors
 # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 
+### WARNING: the code in this file has not been extensively reviewed yet.
+### We do not think it is harmful, but it may be below our normal standards
+### for robustness and maintainability.
+
 import os
 import re
 import sys