feat(mbedtls): support rom mbedtls threading layer

components/mbedtls/port/mbedtls_rom/threading_alt.h

@@ -0,0 +1,22 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/semphr.h"
+
+typedef struct mbedtls_threading_mutex_t {
+    SemaphoreHandle_t mutex;
+    /* is_valid is 0 after a failed init or a free, and nonzero after a
+     * successful init. This field is not considered part of the public
+     * API of Mbed TLS and may change without notice. */
+    char is_valid;
+} mbedtls_threading_mutex_t;
+
+extern void mbedtls_threading_set_alt(void (*mutex_init)(mbedtls_threading_mutex_t *),
+                                      void (*mutex_free)(mbedtls_threading_mutex_t *),
+                                      int (*mutex_lock)(mbedtls_threading_mutex_t *),
+                                      int (*mutex_unlock)(mbedtls_threading_mutex_t *));