arm64: dts: broadcom: stringray: Fix GICv3 ITS node name

The GICv3 ITS is an MSI controller, therefore its node name should be
'msi-controller'.

While we're here, fix the unit-address which shouldn't have a comma.

Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230207234709.201229-1-robh@kernel.org
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

Author: robherring

arch/arm64/boot/dts/broadcom/stingray/stingray.dtsi

@@ -178,7 +178,7 @@
 			      <0x02e00000 0x600000>; /* GICR */
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
 
-			gic_its: gic-its@63c20000 {
+			gic_its: msi-controller@63c20000 {
 				compatible = "arm,gic-v3-its";
 				msi-controller;
 				#msi-cells = <1>;