refactor(sdspi): place sdspi driver into a new component

components/esp_driver_sdspi/src/sdspi_crc.h

@@ -0,0 +1,33 @@
+/*
+ * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#pragma once
+#include <stdint.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+/**
+ * @brief Return CRC7 of data, in the format used by SD protocol
+ * @param data array of data used to compute CRC
+ * @param size size of data in bytes
+ * @return CRC7 value
+ */
+uint8_t sdspi_crc7(const uint8_t *data, size_t size);
+
+/**
+ * @brief Return CRC16 of data, in the format used by SD protocol
+ * @param data array of data used to compute CRC
+ * @param size size of data in bytes
+ * @return CRC16 value
+ */
+uint16_t sdspi_crc16(const uint8_t* data, size_t size);
+
+#ifdef __cplusplus
+}
+#endif