ARM: dts: rmobile: Add PHY reset GPIO

This patch got dropped during the update of DTs to 4.14, re-add it
back. This adds reset GPIOs to the ethernet PHYs.
Signed-off-by: NMarek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Signed-off-by: NNobuhiro Iwamatsu <iwamatsu@nigauri.org>

arch/arm/dts/salvator-common.dtsi

@@ -257,6 +257,7 @@
 	pinctrl-names = "default";
 	renesas,no-ether-link;
 	phy-handle = <&phy0>;
+	reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
 	status = "okay";
 
 	phy0: ethernet-phy@0 {

arch/arm/dts/ulcb.dtsi

@@ -156,6 +156,7 @@
 	pinctrl-names = "default";
 	renesas,no-ether-link;
 	phy-handle = <&phy0>;
+	reset-gpios = <&gpio2 10 GPIO_ACTIVE_LOW>;
 	status = "okay";
 
 	phy0: ethernet-phy@0 {