ASoC: dt-bindings: adi,adau17x1: fix indentation and example

Fix errors in binding indentation and example:

  adi,adau17x1.yaml:8:2: [warning] wrong indentation: expected 2 but found 1 (indentation)
  adi,adau17x1.example.dts:29.3-30.1 syntax error

Fixes: 87771c94 ("ASoC: dt-bindings: adi,adau17x1: Convert to DT schema")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230317092900.16770-1-krzysztof.kozlowski@linaro.org


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