ARM: dts: sunxi: Add missing watchdog interrupts

The watchdog has an interrupt on all our SoCs, but it wasn't always listed.
Add it to the devicetree where it's missing.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

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

@@ -815,6 +815,7 @@ timer@1c20c00 {
 		wdt: watchdog@1c20c90 {
 			compatible = "allwinner,sun4i-a10-wdt";
 			reg = <0x01c20c90 0x10>;
+			interrupts = <24>;
 		};
 
 		rtc: rtc@1c20d00 {

arch/arm/boot/dts/sun5i.dtsi

@@ -600,6 +600,7 @@ timer@1c20c00 {
 		wdt: watchdog@1c20c90 {
 			compatible = "allwinner,sun4i-a10-wdt";
 			reg = <0x01c20c90 0x10>;
+			interrupts = <24>;
 		};
 
 		ir0: ir@1c21800 {

arch/arm/boot/dts/sun6i-a31.dtsi

@@ -744,6 +744,7 @@ timer@1c20c00 {
 		wdt1: watchdog@1c20ca0 {
 			compatible = "allwinner,sun6i-a31-wdt";
 			reg = <0x01c20ca0 0x20>;
+			interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
 		spdif: spdif@1c21000 {

arch/arm/boot/dts/sun7i-a20.dtsi

@@ -1140,6 +1140,7 @@ timer@1c20c00 {
 		wdt: watchdog@1c20c90 {
 			compatible = "allwinner,sun4i-a10-wdt";
 			reg = <0x01c20c90 0x10>;
+			interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
 		rtc: rtc@1c20d00 {

arch/arm/boot/dts/sun8i-r40.dtsi

@@ -404,6 +404,7 @@ uart3_rts_cts_pg_pins: uart3-rts-cts-pg-pins {
 		wdt: watchdog@1c20c90 {
 			compatible = "allwinner,sun4i-a10-wdt";
 			reg = <0x01c20c90 0x10>;
+			interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
 		uart0: serial@1c28000 {