leds: tps61310_flashlight: Add TI TPS61310 flashlight driver

HTC kernel version: villeu-jb-crc-3.4.10-ae8b65e

Change-Id: I53b57e105643a7ace9f73d36261e2b7b5f9dcd7a
msm: HTC: ville: Add ville hardware files

Change-Id: I36a5c3b07c21ee7ab6dc9ed592f8a837bd88e791