libaudio: add missing wired headphone route

Change-Id: I8679f46ae5154307c0f8ca83492c49367548a52e
overlay: enable multicolor charging led

No, still can't be set to blue, purple or pink. :P
Red (ff0000)
Yellow=orange (ffff00)
Green (00ff00)
Black=off (000000)

Change-Id: If740ad4cdda36c97d2503349ebe21ace68262b35