lantiq: use new property name for eiu irqs

Signed-off-by: John Crispin <john@phrozen.org>

target/linux/lantiq/dts/amazonse.dtsi

@@ -45,7 +45,7 @@
 			compatible = "lantiq,eiu-xway";
 			reg = <0x101000 0x1000>;
 			interrupt-parent = <&icu0>;
-			interrupts = <29 30 31>;
+			lantiq,eiu-irqs = <29 30 31>;
 		};
 
 		pmu0: pmu@102000 {

target/linux/lantiq/dts/ar9.dtsi

@@ -50,7 +50,7 @@
 			compatible = "lantiq,eiu-xway";
 			reg = <0x101000 0x1000>;
 			interrupt-parent = <&icu0>;
-			interrupts = <166 135 66 40 41 42>;
+			lantiq,eiu-irqs = <166 135 66 40 41 42>;
 		};
 
 		pmu0: pmu@102000 {

target/linux/lantiq/dts/danube.dtsi

@@ -54,7 +54,7 @@
 			compatible = "lantiq,eiu-xway";
 			reg = <0x101000 0x1000>;
 			interrupt-parent = <&icu0>;
-			interrupts = <166 135 66>;
+			lantiq,eiu-irqs = <166 135 66>;
 		};
 
 		pmu0: pmu@102000 {

target/linux/lantiq/dts/vr9.dtsi

@@ -50,7 +50,7 @@
 			compatible = "lantiq,eiu-xway";
 			reg = <0x101000 0x1000>;
 			interrupt-parent = <&icu0>;
-			interrupts = <166 135 66 40 41 42>;
+			lantiq,eiu-irqs = <166 135 66 40 41 42>;
 		};
 
 		pmu0: pmu@102000 {