ASoC: codecs: wcd938x: fix headphones volume controls

ASoC: codecs: wcd938x: fix headphones volume controls

commit 4d0e8bdfa4a57099dc7230952a460903f2e2f8de upstream.

The lowest headphones volume setting does not mute so the leave the TLV
mute flag unset.

This is specifically needed to let the sound server use the lowest gain
setting.

Fixes: c03226ba15fe ("ASoC: codecs: wcd938x: fix dB range for HPHL and HPHR")
Cc:  <stable@vger.kernel.org>      # 6.5
Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://msgid.link/r/20240122091130.27463-1-johan+linaro@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>