arm64: dts: uniphier: route on-board device IRQ to GPIO controller

Interrupt lines from on-board devices are connected to the GPIO
controller.  Handle this correctly.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm64/boot/dts/socionext/uniphier-ld11-ref.dts

@@ -40,7 +40,8 @@ memory@80000000 {
 };
 
 &ethsc {
-	interrupts = <0 48 4>;
+	interrupt-parent = <&gpio>;
+	interrupts = <0 8>;
 };
 
 &serial0 {

arch/arm64/boot/dts/socionext/uniphier-ld20-ref.dts

@@ -40,7 +40,8 @@ memory@80000000 {
 };
 
 &ethsc {
-	interrupts = <0 48 4>;
+	interrupt-parent = <&gpio>;
+	interrupts = <0 8>;
 };
 
 &serial0 {