ASoC: rt5682s: Reduce coupling of PLLB setting

Some parts of rt5682s CCF function are implemented
by 'PLLB' dapm widget.
The coupling risk exists, so this patch fixes it.

Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://lore.kernel.org/r/20220913025658.5005-3-derek.fang@realtek.com


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