ARM: dts: imx7-colibri: Add sleep pinctrl to ethernet

Add sleep pinmux to the fec so it can properly sleep.
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx7-colibri.dtsi

@@ -101,8 +101,9 @@ &ecspi3 {
 };
 
 &fec1 {
-	pinctrl-names = "default";
+	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&pinctrl_enet1>;
+	pinctrl-1 = <&pinctrl_enet1_sleep>;
 	clocks = <&clks IMX7D_ENET_AXI_ROOT_CLK>,
 		<&clks IMX7D_ENET_AXI_ROOT_CLK>,
 		<&clks IMX7D_ENET1_TIME_ROOT_CLK>,
@@ -459,6 +460,22 @@ MX7D_PAD_SD2_WP__ENET1_MDC			0x3
 		>;
 	};
 
+	pinctrl_enet1_sleep: enet1sleepgrp {
+		fsl,pins = <
+			MX7D_PAD_ENET1_RGMII_RX_CTL__GPIO7_IO4		0x0
+			MX7D_PAD_ENET1_RGMII_RD0__GPIO7_IO0		0x0
+			MX7D_PAD_ENET1_RGMII_RD1__GPIO7_IO1		0x0
+			MX7D_PAD_ENET1_RGMII_RXC__GPIO7_IO5		0x0
+
+			MX7D_PAD_ENET1_RGMII_TX_CTL__GPIO7_IO10		0x0
+			MX7D_PAD_ENET1_RGMII_TD0__GPIO7_IO6		0x0
+			MX7D_PAD_ENET1_RGMII_TD1__GPIO7_IO7		0x0
+			MX7D_PAD_GPIO1_IO12__GPIO1_IO12			0x0
+			MX7D_PAD_SD2_CD_B__GPIO5_IO9			0x0
+			MX7D_PAD_SD2_WP__GPIO5_IO10			0x0
+		>;
+	};
+
 	pinctrl_ecspi3_cs: ecspi3-cs-grp {
 		fsl,pins = <
 			MX7D_PAD_I2C2_SDA__GPIO4_IO11		0x14