manta: charging led support

also fixes always on

Change-Id: I6899de4bdb7296b5f0f7f6cb388149de6c175390
manta: fixup USB OTG

Change-Id: Ic7c47968d8e3659587270841466fc027460dae61
Merge "manta: charging led support" into cm-11.0
Merge remote-tracking branch 'cm/cm-11.0' into HEAD