ARM: dts: qcom: sdx55: fix pdc '#interrupt-cells'

The Qualcomm PDC interrupt controller binding expects two cells in
interrupt specifiers.

Fixes: 9d038b2e ("ARM: dts: qcom: Add SDX55 platform and MTP board support")
Cc: stable@vger.kernel.org      # 5.12
Cc: Manivannan Sadhasivam <mani@kernel.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20231213173131.29436-2-johan+linaro@kernel.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm/boot/dts/qcom/qcom-sdx55.dtsi

@@ -607,7 +607,7 @@ pdc: interrupt-controller@b210000 {
 			compatible = "qcom,sdx55-pdc", "qcom,pdc";
 			reg = <0x0b210000 0x30000>;
 			qcom,pdc-ranges = <0 179 52>;
-			#interrupt-cells = <3>;
+			#interrupt-cells = <2>;
 			interrupt-parent = <&intc>;
 			interrupt-controller;
 		};