B_L4S5I_IOT01A: HW crypto support

connectivity/drivers/mbedtls/TARGET_STM/TARGET_STM32L4S5xI/mbedtls_device.h

@@ -0,0 +1,25 @@
+/*
+ *  mbedtls_device.h
+ *******************************************************************************
+ * Copyright (c) 2017, STMicroelectronics
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ */
+#ifndef MBEDTLS_DEVICE_H
+#define MBEDTLS_DEVICE_H
+
+#define MBEDTLS_AES_ALT
+
+#endif /* MBEDTLS_DEVICE_H */

targets/targets.json

@@ -3351,7 +3351,8 @@
         ],
         "macros_add": [
             "HSE_VALUE=8000000",
-            "STM32L4S5xx"
+            "STM32L4S5xx",
+            "MBEDTLS_CONFIG_HW_SUPPORT"
         ],
         "detect_code": [
             "0885"