ASoC: dt-bindings: qcom,q6apm: Split to separate schema

The APR/GPR bindings with services got complicated so move out the Q6APM
service to its own binding.  Previously the compatible was documented in
qcom,apr.yaml.  Move most of the examples from its children to this new
file.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221115120235.167812-6-krzysztof.kozlowski@linaro.org


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