ASoC: rt5682: Fix the fast discharge for headset unplugging in soundwire mode

Based on ("5a15cd7f"), the setting also
should be set in soundwire mode.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Link: https://lore.kernel.org/r/20210604063150.29925-1-oder_chiou@realtek.com


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