increase headphones safe volume level
With 4.3 audio levels, especially headphones, are lower then previousely.
This commit might help, reports are welcome.

Change-Id: Iedae891c1f18eeebe178214a41d70ae3f784f569
Enable new power modes

Change-Id: I0c2a6fbc5a22aa869896077149cdb05fb0c488e5
Add missing anc firmware symlinks

Change-Id: I1fc3a4bf53db3d485f3f680f3aae0fe56ae681cd