Revert "Updated var type."

This reverts commit e7b3cf83f07e1e58ed174066c7d9432db3c4abdc.

Data type was being changed by mistake -- we shall keep our modifications to the base library to as little as possible, so that we could maybe upgrade it easier in the future
Merge remote-tracking branch 'origin/master'

Conflicts:
	inc/MK60_gpio_cfg.h
Break when assert failed
Stop disabling DMA IRQ automatically