ASoC: dt-bindings: cirrus,cs530x: Add initial DT binding

Add the YAML DT bindings for the cs530x high performance
audio ADCs.

Signed-off-by: Paul Handrigan <paulha@opensource.cirrus.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://patch.msgid.link/20240621151757.1661265-2-paulha@opensource.cirrus.com


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