ARM: dts: uniphier: add syscon-phy-mode property to each ethernet node

Add syscon-phy-mode property specifying a phandle of system controller
to each ethernet node.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/boot/dts/uniphier-pro4.dtsi

@@ -286,7 +286,7 @@
 			has-transaction-translator;
 		};
 
-		soc-glue@5f800000 {
+		soc_glue: soc-glue@5f800000 {
 			compatible = "socionext,uniphier-pro4-soc-glue",
 				     "simple-mfd", "syscon";
 			reg = <0x5f800000 0x2000>;
@@ -378,6 +378,7 @@
 			resets = <&sys_rst 12>, <&sys_rst 6>;
 			phy-mode = "rgmii";
 			local-mac-address = [00 00 00 00 00 00];
+			socionext,syscon-phy-mode = <&soc_glue 0>;
 
 			mdio: mdio {
 				#address-cells = <1>;

arch/arm/boot/dts/uniphier-pxs2.dtsi

@@ -512,6 +512,7 @@
 			resets = <&sys_rst 6>;
 			phy-mode = "rgmii";
 			local-mac-address = [00 00 00 00 00 00];
+			socionext,syscon-phy-mode = <&soc_glue 0>;
 
 			mdio: mdio {
 				#address-cells = <1>;