Introduced separate abstractions for GPIO keymap details and moved
initialisation into the keyscan task.
Disabled the power button GPIO interrupt for now.
1.PHONY:allcleandistclean 2 3all: 4 make -C stage1 5 make -C stage2 6 7clean: 8 make -C stage1 clean 9 make -C stage2 clean 10 11distclean: 12 make -C stage1 distclean 13 make -C stage2 distclean