other: Move cbor, jsmn and libsodium to idf-component-manager

Marginal components are being carved out from esp-idf and moved to
https://github.com/espressif/idf-extra-components.
They are distributed via idf-component-manager, see
https://components.espressif.com.

components/mbedtls/test/test_mbedtls_utils.h

@@ -0,0 +1,9 @@
+/*
+ * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <stddef.h>
+
+void utils_bin2hex(char *const hex, const size_t hex_maxlen, const unsigned char *const bin, const size_t bin_len);