ARM: sunxi: dt: Register the pio node as interrupt controller

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/boot/dts/sun4i-a10.dtsi

@@ -173,8 +173,10 @@ intc: interrupt-controller@01c20400 {
 		pio: pinctrl@01c20800 {
 			compatible = "allwinner,sun4i-a10-pinctrl";
 			reg = <0x01c20800 0x400>;
+			interrupts = <28>;
 			clocks = <&apb0_gates 5>;
 			gpio-controller;
+			interrupt-controller;
 			#address-cells = <1>;
 			#size-cells = <0>;
 			#gpio-cells = <3>;

arch/arm/boot/dts/sun5i-a13.dtsi

@@ -163,8 +163,10 @@ intc: interrupt-controller@01c20400 {
 		pio: pinctrl@01c20800 {
 			compatible = "allwinner,sun5i-a13-pinctrl";
 			reg = <0x01c20800 0x400>;
+			interrupts = <28>;
 			clocks = <&apb0_gates 5>;
 			gpio-controller;
+			interrupt-controller;
 			#address-cells = <1>;
 			#size-cells = <0>;
 			#gpio-cells = <3>;