bootloader_support: added esp32-c3 support

components/bootloader_support/src/bootloader_random_esp32c3.c

@@ -0,0 +1,31 @@
+// Copyright 2020 Espressif Systems (Shanghai) PTE LTD
+//
+// 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.
+#include "sdkconfig.h"
+#include "bootloader_random.h"
+#include "esp_log.h"
+
+static const char *TAG = "bootloader_random";
+
+void bootloader_random_enable(void)
+{
+    ESP_LOGW(TAG, "RNG for ESP32-C3 not currently supported"); // IDF-2305
+    // Don't forget to remove the following line
+    // *libbootloader_support.a:bootloader_random*.*(.literal.bootloader_random_enable .text.bootloader_random_enable)
+    // In the bootloader.ld when RNG support is ready for ESP32-C3
+}
+
+void bootloader_random_disable(void)
+{
+    ESP_LOGW(TAG, "RNG for ESP32-C3 not currently supported"); // IDF-2305
+}