ARM: tegra: Connect SMMU with Video Decoder Engine on Tegra30

Enable IOMMU support for the video decoder.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

arch/arm/boot/dts/tegra30.dtsi

@@ -422,6 +422,7 @@ vde@6001a000 {
 		clocks = <&tegra_car TEGRA30_CLK_VDE>;
 		reset-names = "vde", "mc";
 		resets = <&tegra_car 61>, <&mc TEGRA30_MC_RESET_VDE>;
+		iommus = <&mc TEGRA_SWGROUP_VDE>;
 	};
 
 	apbmisc@70000800 {