Torch: Switch to sysfs interface

Change-Id: I81f5aacda1fd3237a0dfe8d7bd65090730c04a83
Merge remote-tracking branch 'cm/cm-11.0' into HEAD

Conflicts:
	init.g2.rc

Change-Id: Iff64ba4838d9016284ca975b2185952e900fb3a7