sound: soc: add tx/rx digital_gain_reg values

Signed-off-by: Lens-F <tnoah12@gmail.com>
sound: soc: change some values in wm5100 codec

Signed-off-by: Lens-F <tnoah12@gmail.com>
AUDIO: changes [read more]

Support 96khz, remove 8khz support and replace with 16khz, and add support for 24bit audio.

Signed-off-by: Lens-F <tnoah12@gmail.com>