base: add basic support for device wake events

Handling of events that can be used to wake the device like
button events and/or screen events like dt2w.

PS3:
-start with general offscreen event handling

PS4:
-dont kill power button :)

PS5:
-added settings for volume and home button wake
now only someone need to add settings for it :)

PS6:
-stupid

Change-Id: I359654ec29c7f44f41bcf7ed71738568e45f8993