feat(tc): bind SMMU-700 with DPU on TC3

TC3 adds a new SMMU-700 specifically for the DPU. This is used as the
DPU SMMU instead of the existing SMMU used for the DPU. Update the
device tree to reflect this.

Change-Id: I865140f8f53bceaa8849f6583190b240eeee0539
Signed-off-by: Jackson Cooper-Driver <jackson.cooper-driver@arm.com>
Signed-off-by: Leo Yan <leo.yan@arm.com>
diff --git a/fdts/tc3.dts b/fdts/tc3.dts
index 64546b6..0354217 100644
--- a/fdts/tc3.dts
+++ b/fdts/tc3.dts
@@ -90,7 +90,18 @@
 	smmu_700: iommu@3f000000 {
 		status = "okay";
 	};
+
+	smmu_700_dpu: iommu@4002a00000 {
+		status = "okay";
+	};
+#endif
+
+	dp0: display@DPU_ADDR {
+#if TARGET_FLAVOUR_FVP
+		iommus = <&smmu_700_dpu 0x000>, <&smmu_700_dpu 0x100>,
+			 <&smmu_700_dpu 0x200>, <&smmu_700_dpu 0x600>;
 #endif
+	};
 
 	gpu: gpu@2d000000 {
 #if TARGET_FLAVOUR_FVP