Re-add notification light settings

Change-Id: Id3443c0ce986e92995de1266c79183c9c5dce0c4
msm8226: add torch overlays

By default the brightness for the peregrine is very low
when compared to stock. Fix this by giving it more values.

Also support high brightness mode.

Change-Id: Iafb5e732e3908bf60969e9a8adad933a26a6f6ad