ARM: dts: rzg1: Add interrupt properties to watchdog nodes

Driver doesn't use it yet, but let's describe the HW properly.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20220322095512.4707-3-wsa+renesas@sang-engineering.comSigned-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

arch/arm/boot/dts/r8a7743.dtsi

@@ -140,6 +140,7 @@ rwdt: watchdog@e6020000 {
 			compatible = "renesas,r8a7743-wdt",
 				     "renesas,rcar-gen2-wdt";
 			reg = <0 0xe6020000 0 0x0c>;
+			interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 402>;
 			power-domains = <&sysc R8A7743_PD_ALWAYS_ON>;
 			resets = <&cpg 402>;

arch/arm/boot/dts/r8a7744.dtsi

@@ -140,6 +140,7 @@ rwdt: watchdog@e6020000 {
 			compatible = "renesas,r8a7744-wdt",
 				     "renesas,rcar-gen2-wdt";
 			reg = <0 0xe6020000 0 0x0c>;
+			interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 402>;
 			power-domains = <&sysc R8A7744_PD_ALWAYS_ON>;
 			resets = <&cpg 402>;

arch/arm/boot/dts/r8a7745.dtsi

@@ -270,6 +270,7 @@ rst: reset-controller@e6160000 {
 		rwdt: watchdog@e6020000 {
 			compatible = "renesas,r8a7745-wdt",
 				     "renesas,rcar-gen2-wdt";
+			interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
 			reg = <0 0xe6020000 0 0x0c>;
 			clocks = <&cpg CPG_MOD 402>;
 			power-domains = <&sysc R8A7745_PD_ALWAYS_ON>;

arch/arm/boot/dts/r8a77470.dtsi

@@ -91,6 +91,7 @@ rwdt: watchdog@e6020000 {
 			compatible = "renesas,r8a77470-wdt",
 				     "renesas,rcar-gen2-wdt";
 			reg = <0 0xe6020000 0 0x0c>;
+			interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&cpg CPG_MOD 402>;
 			power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
 			resets = <&cpg 402>;