efuse: Add support for esp32s2beta

Updated:
- CI test_esp32s2beta_efuse_table_on_host.
- efuse_table_gen.py.
- esp_efuse_table.csv file and generated headers files.
- splitted esp32 and esp32s2beta parts.
- unit tests and api efuse.

components/efuse/include/esp32/esp_efuse.h

@@ -0,0 +1,44 @@
+// Copyright 2019 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.
+
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Type of eFuse blocks for ESP32
+ */
+typedef enum {
+    EFUSE_BLK0 = 0,     /**< Number of eFuse block. Reserved. */
+    EFUSE_BLK1 = 1,     /**< Number of eFuse block. Used for Flash Encryption. If not using that Flash Encryption feature, they can be used for another purpose. */
+    EFUSE_BLK2 = 2,     /**< Number of eFuse block. Used for Secure Boot. If not using that Secure Boot feature, they can be used for another purpose. */
+    EFUSE_BLK3 = 3,     /**< Number of eFuse block. Uses for the purpose of the user. */
+    EFUSE_BLK_MAX
+} esp_efuse_block_t;
+
+/**
+ * @brief Type of coding scheme
+ */
+typedef enum {
+    EFUSE_CODING_SCHEME_NONE    = 0,    /**< None */
+    EFUSE_CODING_SCHEME_3_4     = 1,    /**< 3/4 coding */
+    EFUSE_CODING_SCHEME_REPEAT  = 2,    /**< Repeat coding */
+} esp_efuse_coding_scheme_t;
+
+
+#ifdef __cplusplus
+}
+#endif