arm: dts: imx8mp-phyboard-pollux: Sync dts files with kernel

This update includes eqos support and some minor changes.

Synced with kernel commit
412627f6ffe3 ("arm64: dts: imx8mp-phyboard-pollux-rdk: Add missing pinctrl entry")

Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/arch/arm/dts/imx8mp-phycore-som.dtsi b/arch/arm/dts/imx8mp-phycore-som.dtsi
index 44a8c23..f3965ec 100644
--- a/arch/arm/dts/imx8mp-phycore-som.dtsi
+++ b/arch/arm/dts/imx8mp-phycore-som.dtsi
@@ -67,7 +67,7 @@
 
 &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)>;