说明：  添加自定制IP实验，这个实验介绍如何运用添加外设向导工具：Creat/Import Peripheral 为系统添加自定制 OPB 外设 IP。
(Add a custom IP experiment, this experiment describes how to use tools to add peripherals Wizard: Creat/ImportPeripheral for the system to add customized OPB peripheral IP.)