leds: add pm8058 led support (HTC version)

Change-Id: Id34be6a5f0a499fa27ff288322a277a31b10ac4b
leds: add aat127x flashlight drivers

 * adjusted the header to accomodate until
   newer unified drivers are available.

Change-Id: I20afe2d95681aef115b0c8a3c61beb23b2f4e5bb