dt-bindings: soc: qcom: aoss: Convert to YAML

Convert to YAML in order to allow validation.

Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210709174142.1274554-3-bjorn.andersson@linaro.org


Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>