arm64: dts: qcom: sc8280xp: drop bogus clock-controller property

There is no "clock-controller" property:

  sa8295p-adp.dtb: service@2: clock-controller: 'clock-controller' does not match any of the regexes: 'pinctrl-[0-9]+'
    From schema: Documentation/devicetree/bindings/sound/qcom,q6prm.yaml

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230118094224.51704-2-krzysztof.kozlowski@linaro.org