arm64: dts: qcom: sc8180x: drop duplicated PCI iommus property

The IOMMUs for PCI controller on SC8180x are defined in iommu-map, so
drop duplicared iommus:

  sc8180x-lenovo-flex-5g.dtb: pci@1c08000: Unevaluated properties are not allowed ('iommus' was unexpected)
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231112184430.3495-1-krzysztof.kozlowski@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sc8180x.dtsi

@@ -1736,7 +1736,6 @@ pcie0: pci@1c00000 {
 			assigned-clocks = <&gcc GCC_PCIE_0_AUX_CLK>;
 			assigned-clock-rates = <19200000>;
 
-			iommus = <&apps_smmu 0x1d80 0x7f>;
 			iommu-map = <0x0   &apps_smmu 0x1d80 0x1>,
 				    <0x100 &apps_smmu 0x1d81 0x1>;
 
@@ -1833,7 +1832,6 @@ pcie3: pci@1c08000 {
 			assigned-clocks = <&gcc GCC_PCIE_3_AUX_CLK>;
 			assigned-clock-rates = <19200000>;
 
-			iommus = <&apps_smmu 0x1e00 0x7f>;
 			iommu-map = <0x0   &apps_smmu 0x1e00 0x1>,
 				    <0x100 &apps_smmu 0x1e01 0x1>;
 
@@ -1931,7 +1929,6 @@ pcie1: pci@1c10000 {
 			assigned-clocks = <&gcc GCC_PCIE_1_AUX_CLK>;
 			assigned-clock-rates = <19200000>;
 
-			iommus = <&apps_smmu 0x1c80 0x7f>;
 			iommu-map = <0x0   &apps_smmu 0x1c80 0x1>,
 				    <0x100 &apps_smmu 0x1c81 0x1>;
 
@@ -2029,7 +2026,6 @@ pcie2: pci@1c18000 {
 			assigned-clocks = <&gcc GCC_PCIE_2_AUX_CLK>;
 			assigned-clock-rates = <19200000>;
 
-			iommus = <&apps_smmu 0x1d00 0x7f>;
 			iommu-map = <0x0   &apps_smmu 0x1d00 0x1>,
 				    <0x100 &apps_smmu 0x1d01 0x1>;