sound: SoC: WolfsonMicro WM5102 sound control [AndreiLux]

Squashed commits:

sound: SoC: WolfsonMicro WM5102 sound control

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 control

sound-control: Add SP mono mode and SP privacy mode