Use keyword args for MLX refresh rate and adc resolution.
Use keyword args for MLX refresh rate and adc resolution.

* Issue #148 PR #149

kwagyeman/openmv,iabdalkader/openmv,openmv/openmv,iabdalkader/openmv,openmv/openmv,kwagyeman/openmv,kwagyeman/openmv,iabdalkader/openmv,openmv/openmv,openmv/openmv,kwagyeman/openmv,iabdalkader/openmv