Overlay: Add Ambient display for mako.

PS3: Clean up and disabled by default

Change-Id: I36242525388d30dff32478f8101ce545aabc8232
Adding liblights and enable battery light settings with overlay

Credits: PRJosh

Change-Id: I3e7c2023db8d0e238407755cc61855cae3c3e33c
Merge remote-tracking branch 'slim/lp5.0' into lp50s