ASoC: dt-bindings: mediatek,mt8188-mt6359: use common sound card

The mediatek,mt8188-mt6359 Linux sound machine driver requires the
"model" property, so binding was incomplete.  Reference the common sound
card properties to fix that which also allows to remove duplicated
property definitions.  Leave the relevant parts of "audio-routing"
description.

Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Trevor Wu <trevor.wu@mediatek.com>
Link: https://lore.kernel.org/r/20230810063300.20151-2-krzysztof.kozlowski@linaro.org


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