ASoC: dt-bindings: qcom,sm8250: Add X1E80100 sound card

Document bindings for the Qualcomm X1E80100 SoC sound card.  The
bindings are the same as for other newer Qualcomm ADSP sound cards, thus
keep them in existing qcom,sm8250.yaml file, even though Linux driver is
separate.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://msgid.link/r/20231204100116.211898-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>