arm64: dts: rockchip: Fix rk3399 GICv3 ITS node name

The GICv3 ITS is an MSI controller, therefore its node name should be
'msi-controller'.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230207234750.202154-1-robh@kernel.orgSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3399.dtsi

@@ -552,7 +552,7 @@ gic: interrupt-controller@fee00000 {
 		      <0x0 0xfff10000 0 0x10000>, /* GICH */
 		      <0x0 0xfff20000 0 0x10000>; /* GICV */
 		interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH 0>;
-		its: interrupt-controller@fee20000 {
+		its: msi-controller@fee20000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
 			#msi-cells = <1>;