ASoC: dt-bindings: rt5682s: add bindings for rt5682s

Realtek ALC5682I-VS codec is a ALC5682I-VD variant which supports I2C only.

Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://lore.kernel.org/r/20210831130258.19286-2-derek.fang@realtek.com


Signed-off-by: Mark Brown <broonie@kernel.org>