arm64: dts: layerscape: Fix GICv3 ITS node names

The GICv3 ITS is an MSI controller, therefore its node name should be
'msi-controller'.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi

@@ -131,7 +131,7 @@ gic: interrupt-controller@6000000 {
 		interrupt-controller;
 		interrupts = <GIC_PPI 9 (GIC_CPU_MASK_RAW(0xf) |
 					 IRQ_TYPE_LEVEL_LOW)>;
-		its: gic-its@6020000 {
+		its: msi-controller@6020000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
 			reg = <0x0 0x06020000 0 0x20000>;/* GIC Translater */

arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi

@@ -123,7 +123,7 @@ gic: interrupt-controller@6000000 {
 		#size-cells = <2>;
 		ranges;
 
-		its: gic-its@6020000 {
+		its: msi-controller@6020000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
 			reg = <0x0 0x6020000 0 0x20000>;

arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi

@@ -60,7 +60,7 @@ gic: interrupt-controller@6000000 {
 		interrupt-controller;
 		interrupts = <1 9 0x4>;
 
-		its: gic-its@6020000 {
+		its: msi-controller@6020000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
 			reg = <0x0 0x6020000 0 0x20000>;

arch/arm64/boot/dts/freescale/fsl-lx2160a.dtsi

@@ -395,7 +395,7 @@ gic: interrupt-controller@6000000 {
 		interrupt-controller;
 		interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 
-		its: gic-its@6020000 {
+		its: msi-controller@6020000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
 			reg = <0x0 0x6020000 0 0x20000>;