arm64: dts: qcom: qcs404: register PCIe PHY as a clock provider

Add #clock-cells to the pcie_phy node. It provides a PCIe PIPE clock.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20221226031059.2563165-4-dmitry.baryshkov@linaro.org

arch/arm64/boot/dts/qcom/qcs404.dtsi

@@ -820,6 +820,7 @@ pcie_phy: phy@7786000 {
 			reset-names = "phy", "pipe";
 
 			clock-output-names = "pcie_0_pipe_clk";
+			#clock-cells = <0>;
 			#phy-cells = <0>;
 
 			status = "disabled";