ASoC: dt-bindings: qcom,sm8250: add SDM845 sound

ASoC: dt-bindings: qcom,sm8250: add SDM845 sound

The Qualcomm SDM845 sound card bindings are almost the same as SM8250,
except "pin-switches" and "widgets" properties.  These were not
documented in SDM845 text bindings but are actually valid for SDM845.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Stephan Gerhold <stephan@gerhold.net>
Link: https://lore.kernel.org/r/20220705182802.775803-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>