添加rtthread相关代码

riscv/rtthread/components/drivers/usb/usbdevice/class/winusb.h

@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2006-2023, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017-11-16     ZYH          first version
+ */
+#ifndef __WINUSB_H__
+#define __WINUSB_H__
+#include <rtthread.h>
+struct winusb_descriptor
+{
+#ifdef RT_USB_DEVICE_COMPOSITE
+    struct uiad_descriptor iad_desc;
+#endif
+    struct uinterface_descriptor intf_desc;
+    struct uendpoint_descriptor ep_out_desc;
+    struct uendpoint_descriptor ep_in_desc;
+};
+typedef struct winusb_descriptor* winusb_desc_t;
+
+#endif