[casper] ROACH2 ADC5g MMCM Dual Channel Mode

[Amit Bansod]

Hello,

I am running the ADC5g in dual channel mode (2 Gsps). The MMCM routine
fails to find a glitch free zone. The routine works when I use them in
single channel mode. Do I need to modify the routine for the same ?

Thanks,
Amit