dt-bindings: PCI: qcom: Unify MSM8996 and MSM8998 clock order

MSM8996 and MSM8998 use the same clocks, so use one order to make the
binding simpler.

Link: https://lore.kernel.org/r/20230106081203.14118-3-krzysztof.kozlowski@linaro.org


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Rob Herring <robh@kernel.org>