Add soft-reboot option to overlay

Change-Id: I5e6c4bb72fe9bfaebaf657265f1d8587a4cf55d5
Remove hardware key options from overlay

Change-Id: I3bf67cf4d68ffe4b7e1a776333ddb3d418c311ad
Cleanup bat and notification led overlay

Change-Id: I46a415de16b5c7541b0affdbb5a7ad67caba0c81