ARM: tegra: Add SMMU entry to Tegra114 DT

Add SMMU entry.
Signed-off-by: NHiroshi Doyu <hdoyu@nvidia.com>
Signed-off-by: NStephen Warren <swarren@nvidia.com>

arch/arm/boot/dts/tegra114.dtsi

@@ -80,6 +80,17 @@
 		reg = <0x7000e400 0x400>;
 	};
 
+	iommu {
+		compatible = "nvidia,tegra114-smmu", "nvidia,tegra30-smmu";
+		reg = <0x7000f010 0x02c
+		       0x7000f1f0 0x010
+		       0x7000f228 0x074>;
+		nvidia,#asids = <4>;
+		dma-window = <0 0x40000000>;
+		nvidia,swgroups = <0x18659fe>;
+		nvidia,ahb = <&ahb>;
+	};
+
 	cpus {
 		#address-cells = <1>;
 		#size-cells = <0>;