Revert "liblight: Add battery light support"

This reverts commit 62265ef2b24c3486b2c701d5d3a7d6d1282e6346.

Change-Id: I588b416803b28ad4d18051afde2cdfc66f11c36a
hammerhead: add charging led support

Also introduces led priority handling for
battery vs notification vs attention
(copied from jf-common).

Requires the hammerhead kernel led
always on support patch.

Change-Id: I1a2f3aae457c6d7e4e3c3f9ca39cbe42d39c3bc2
hammerhead: Update cpufreq settings

 * QC is switching to interactive. We will too.

Change-Id: I1ea4bdc75108136aa4b96e91da1a661b0b5d2b07
hammerhead: Use cyanogenmod_hammerhead_defconfig

Change-Id: Icd5b2bcce022ba6eb1680b2a75930979c91b698a
hammerhead: enable volume rocker wake setting

Change-Id: I29b1c5087744056a714677f011125bc7df1069e2
Switch to cm kernel.

Change-Id: Id037f79b61d6b2e10d658336e3eda38cfdd30505