Update MP branch.
Update MP branch.

* Fix ADC channels.
* Add 427 AF file.

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