ARM: dts: uniphier: Sync with Linux 4.15-rc1

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/arch/arm/dts/uniphier-pxs3-ref.dts b/arch/arm/dts/uniphier-pxs3-ref.dts
index 27de84d..f549610 100644
--- a/arch/arm/dts/uniphier-pxs3-ref.dts
+++ b/arch/arm/dts/uniphier-pxs3-ref.dts
@@ -38,13 +38,21 @@
 };
 
 &ethsc {
-	interrupts = <0 52 4>;
+	interrupts = <4 8>;
 };
 
 &serial0 {
 	status = "okay";
 };
 
+&gpio {
+	xirq4 {
+		gpio-hog;
+		gpios = <UNIPHIER_GPIO_IRQ(4) 0>;
+		input;
+	};
+};
+
 &i2c0 {
 	status = "okay";
 };