audio: Splitting mute and volume controls specification. Now might be different who mutes and who changes volume
Merge branch 'feature/split-audio-mute-and-volume-config'
Enable selecting mixer, volume and mute procedence. In case of using software mixer, both volume and mute will be defined as used, and no mixer will be created
Merge branch 'feature/split-audio-mute-and-volume-config'