dts: bindings: gpio: neorv32: require interrupt property to be set

Require the interrupt property for the NEORV32 GPIO controller to be set.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>

dts/bindings/gpio/neorv32,gpio.yaml

@@ -5,6 +5,9 @@ compatible: "neorv32,gpio"
 include: [gpio-controller.yaml, base.yaml]
 
 properties:
+  interrupts:
+    required: true
+
   reg:
     required: true
 

dts/riscv/neorv32.dtsi

@@ -140,6 +140,7 @@
 			compatible = "neorv32,gpio";
 			status = "disabled";
 			reg = <0xfffc0000 0x10000>;
+			interrupts = <8>;
 			syscon = <&sysinfo>;
 			gpio-controller;
 			ngpios = <32>;