dt-bindings: firmware: qcom,scm: narrow clocks and interconnects

SCM has clock inputs and interconnects only on some of the SoCs, so
disallow them inb other cases, which makes the binding stricter.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221122092345.44369-2-krzysztof.kozlowski@linaro.org