ARM: dts: uniphier: add pinctrl groups of ethernet for second instance

Add pinctrl groups of ethernet, such as "ether1_rgmii" and "ether1_rmii".
These are used for second ethernet instance.
Signed-off-by: NKunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/boot/dts/uniphier-pinctrl.dtsi

@@ -71,6 +71,16 @@
 		function = "ether_rmii";
 	};
 
+	pinctrl_ether1_rgmii: ether1-rgmii {
+		groups = "ether1_rgmii";
+		function = "ether1_rgmii";
+	};
+
+	pinctrl_ether1_rmii: ether1-rmii {
+		groups = "ether1_rmii";
+		function = "ether1_rmii";
+	};
+
 	pinctrl_i2c0: i2c0 {
 		groups = "i2c0";
 		function = "i2c0";