WiringPi for BPI-M2 Ultra

BPI WiringPi support all raspberry pi module and all banana pi module :BPI-M1,BPI-M1+,BPI-R1,BPI-M2,BPI-M2+,BPI-M2 Ultra,BPI-M2 Magic,BPI-M3,BPI-M64

https://github.com/BPI-SINOVOIP/WiringPi

https://github.com/BPI-SINOVOIP/WiringPi/tree/master/wiringPi/board