Build common liblight

Change-Id: Ib9308b29cbcba2bb67c5edc4ab0dbeedef818cd9
Use common idc, keychars and keylayout

Change-Id: I21019a4a24499448cc2e95cfc6560b8bf1e41c39
Use msm8960-common

Change-Id: I660e9399f867a665948e324d613a300e6b09f840
Merge branch 'cm-10.1' of github.com:razrqcom-dev-team/android_device_motorola_xt926 into cm-10.1