mips: dts: realtek: Add SoC IRQ node for RTL838x

Add the SoC interrupt controller so other components can link to it.

Signed-off-by: Sander Vanheule <sander@svanheule.net>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

Author: svanheule

arch/mips/boot/dts/realtek/rtl838x.dtsi

@@ -73,5 +73,15 @@
 
 			status = "disabled";
 		};
+
+		intc: interrupt-controller@3000 {
+			compatible = "realtek,rtl8380-intc", "realtek,rtl-intc";
+			reg = <0x3000 0x20>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+
+			interrupt-parent = <&cpuintc>;
+			interrupts = <2>, <3>, <4>, <5>, <6>;
+		};
 	};
 };