add missing dependency documentation for SSL_ASYNC_PRIVATE
Signed-off-by: Valerio Setti <vsetti@baylibre.com>
diff --git a/include/mbedtls/mbedtls_config.h b/include/mbedtls/mbedtls_config.h
index b9c896f..328d2ab 100644
--- a/include/mbedtls/mbedtls_config.h
+++ b/include/mbedtls/mbedtls_config.h
@@ -1408,6 +1408,7 @@
* module to perform private key operations instead of performing the
* operation inside the library.
*
+ * Requires: MBEDTLS_X509_CRT_PARSE_C
*/
//#define MBEDTLS_SSL_ASYNC_PRIVATE