arm64: dts: ti: k3-j721e-main: rename smmu node to iommu

Rename smmu node to iommu to fix dtbs_check warning:
 k3-j721e-common-proc-board.dt.yaml: smmu@36600000: $nodename:0: 'smmu@36600000' does not match '^iommu@[0-9a-f]*'

Signed-off-by: Grygorii Strashko <[email protected]>
Acked-by: Suman Anna <[email protected]>
Signed-off-by: Tero Kristo <[email protected]>

Author: grygoriyS

arch/arm64/boot/dts/ti/k3-j721e-main.dtsi

@@ -95,7 +95,7 @@
 			interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
-		smmu0: smmu@36600000 {
+		smmu0: iommu@36600000 {
 			compatible = "arm,smmu-v3";
 			reg = <0x0 0x36600000 0x0 0x100000>;
 			interrupt-parent = <&gic500>;