mspi: support auto detect octal flash vendor

components/spi_flash/esp32s3/opi_flash_private.h

@@ -0,0 +1,36 @@
+/*
+ * SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * System level OPI Flash APIs (private)
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "sdkconfig.h"
+#include "esp_err.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @brief Register ROM functions and init flash device registers to make use of octal flash
+ *
+ * @param chip_id Full device ID read via RDID command
+ */
+esp_err_t esp_opiflash_init(uint32_t chip_id);
+
+/**
+ * @brief Set Octal Flash chip specifically required MSPI register settings here
+ */
+void esp_opiflash_set_required_regs(void);
+
+#ifdef __cplusplus
+}
+#endif