arm64: dts: ti: k3-am654: Add interrupt controllers in wakeup domain

Wakeup domain in AM654 SoC has an interrupt router connected to gpio
in wakeup domain. Add DT node for this interrupt router.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tero Kristo <t-kristo@ti.com>

arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi

@@ -63,4 +63,15 @@ wkup_i2c0: i2c@42120000 {
 		clocks = <&k3_clks 115 1>;
 		power-domains = <&k3_pds 115>;
 	};
+
+	intr_wkup_gpio: interrupt-controller2 {
+		compatible = "ti,sci-intr";
+		ti,intr-trigger-type = <1>;
+		interrupt-controller;
+		interrupt-parent = <&gic500>;
+		#interrupt-cells = <2>;
+		ti,sci = <&dmsc>;
+		ti,sci-dst-id = <56>;
+		ti,sci-rm-range-girq = <0x4>;
+	};
 };