在OpenWrt上移植移远EC20等LTE模块时，给内核打补丁
[xujun@localhost patch]$ ls999-quectel.patch linux-3.18.29 linux-3.18.29.orig ReadMe[xujun@localhost patch]$ tree.├── 999-quectel.patch├── linux-3.18.29│ └── drivers│ └── usb
