temperature_sensor: Add temperature sensor support for ESP32-C2

components/efuse/esp32c2/esp_efuse_rtc_calib.c

@@ -0,0 +1,23 @@
+/*
+ * SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <esp_bit_defs.h>
+#include "esp_efuse.h"
+#include "esp_efuse_table.h"
+
+int esp_efuse_rtc_calib_get_ver(void)
+{
+    uint32_t result = 0;
+    esp_efuse_read_field_blob(ESP_EFUSE_BLOCK2_VERSION, &result, 3);
+    return result;
+}
+
+esp_err_t esp_efuse_rtc_calib_get_tsens_val(float* tsens_cal)
+{
+    // Currently calibration is not supported on ESP32-C2, IDF-5236
+    *tsens_cal = 0.0;
+    return ESP_OK;
+}