创建，添加sdram

rt-thread/components/dfs/dfs_v2/filesystems/skeleton/skeleton.h

@@ -0,0 +1,17 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ */
+
+#ifndef __SKELETON_H__
+#define __SKELETON_H__
+
+#include <rtthread.h>
+
+int dfs_skt_init(void);
+
+#endif