radio: Change CPATH to 5

and bump up the playback mixers

Change-Id: I50723de97f422602a0c5436072a08ffc1f83f036
radio: Adjust IDs for new blobs

Change-Id: I04943af498f0e1e46d904d5634dfb999ccb1295a
audio: Split earpiece/speaker volume control, lower earpiece scale ranges

Change-Id: I3d7f7b21a90f8ae1b78fb6c136a5ed0d4cf8ad5a