verilog new code for image sensor ov7660 version code

次doc文档中有ov7660摄像头模块的verilog驱动程序代码，可以实现对摄像头模块的驱动，实现摄像头的相应功能-There are times doc document verilog driver code ov7660 camera module, camera module can be achieved on the drive to achieve the corresponding functions of the camera