hallon: add button brightness overlay

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I6bd12b3a9cfbdaa035bd0eac8a76d2011b7b87fc
hallon: add device specific init

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I46cc813c3b7387c10c8f1dcd727a6e5901d3d1c7
hallon: add device specific lights header

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I6f7304a6a6ac1eb6eef182a90b794e3dd978cad9
hallon: cleanup recovery init

Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: I2f61dff6e68057d4281c62658d16b1a4a0b1d664
Merge pull request #3 from LegacyXperia/cm-10.2

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