udev 自动创建设备节点

DM365的GPIO驱动以及测试程序，动态分配节点，以及自动在/dev目录下创建设备节点。对于开发和学习都很有帮助-DM365 The GPIO driver and test procedures, dynamic allocation of nodes, and automatic in the/dev directory, device node creation. Development and learning are very helpful

单向链表创建，节点插入删除，链表定义，数据输出等-Single list create dote insert delect data output.