arm64: dts: imx8mp-phyboard-pollux-rdk: Add missing pinctrl entry

Add missing pinctrl-names for i2c gpio recovery mode.

Fixes: 88f7f6bc ("arm64: dts: freescale: Add support for phyBOARD-Pollux-i.MX8MP")
Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp-phyboard-pollux-rdk.dts

@@ -35,7 +35,7 @@ reg_usdhc2_vmmc: regulator-usdhc2 {
 
 &i2c2 {
 	clock-frequency = <400000>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c2>;
 	pinctrl-1 = <&pinctrl_i2c2_gpio>;
 	sda-gpios = <&gpio5 17 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;

arch/arm64/boot/dts/freescale/imx8mp-phycore-som.dtsi

@@ -67,7 +67,7 @@ ethphy1: ethernet-phy@0 {
 
 &i2c1 {
 	clock-frequency = <400000>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "gpio";
 	pinctrl-0 = <&pinctrl_i2c1>;
 	pinctrl-1 = <&pinctrl_i2c1_gpio>;
 	sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;