Pin DB 1-2 Pin 0-1 reversed G27 shifter only.

[ChrisMLian]

Couldnt get my buttons to work so i reversed DB 1-2 Pin 0-1 and it worked. G27 shifter only.

[steve3j]

Same for me except I reversed them in code.

#define SHIFTER_CLOCK_PIN 1
#define SHIFTER_DATA_PIN 0