sound: SoC: WolfsonMicro WM5102 sound control

This first iteration creates the base skeleton for the upcoming controls.

Already included are volume controls for various outputs.
sound-control: Headphone equalizer
sound-control: Add dynamic range compression
sound-control: Misc fixes and HP power control for EQ and DRC
sound-control: Add speaker EQ and EQ freq controls
sound-control: Add SP mono mode and SP privacy mode
port soundcontrol for Note 10.1 2014
attempt to find TMU sweet-spot 1
Linux 3.4.42