p350: switch to open source liblights

patch set 1: initial import from hardware/msm7k/liblights

patch set 2: updated commit msg

patch set 3: added notification light support

patch set 4: build only if define p350 bootloader

patch set 5: added TARGET_PROVIDES_LIBLIGHT := true

Change-Id: Ib1a3b48bb86b5e20a81471c4a403fa943ce888e4