lights: Adding keypad alt/shift LED light IDs

in conjunction with the alt/shift light patch for
frameworks/base:
http://review.cyanogenmod.org/#/c/34903/

Change-Id: Ie97a80d398d474950340cba60c48ba5904978ec5
Fix hwcomposer for ST-Ericsson devices
u8500: add ST Ericsson audio configs

to enable add STE_AUDIO

ported from 02c69027ead653e17ceb597c364b17ebb69cebe9

Change-Id: I0ceaa883c2654a88667ad83502d2755c9d33eb6b

Conflicts:
	include/hardware/audio_policy.h