dt-bindings: soc: qcom: apr: correct service children

dt-bindings: soc: qcom: apr: correct service children

The APR bindings were not describing properly children nodes for DAIs.
None of the DTSes use unit addresses for the children, so correct the
nodes and reference their schema: clock-controller, dais and routing.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220910091428.50418-10-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>