Revert "Add my custom Hotplug driver."

This reverts commit 3f5234d490b60263a102fa9c8131774f75d7332e.

Conflicts:
	arch/arm/kernel/Makefile
	arch/arm/kernel/mako_hotplug.c
	drivers/misc/Makefile
	drivers/misc/mako_hotplug_control.c
	include/linux/hotplug.h