ARM: dts: imx7-colibri: fix 1.8V/UHS support

Add pinmuxing and do not specify voltage restrictions for the usdhc
instance available on the modules edge connector. This allows to use
SD-cards with higher transfer modes if supported by the carrier board.
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
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

@@ -322,7 +322,6 @@ &usbotg1 {
 &usdhc1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_cd_usdhc1>;
-	no-1-8-v;
 	cd-gpios = <&gpio1 0 GPIO_ACTIVE_LOW>;
 	disable-wp;
 	vqmmc-supply = <&reg_LDO2>;
@@ -667,6 +666,28 @@ MX7D_PAD_SD1_DATA3__SD1_DATA3	0x59
 		>;
 	};
 
+	pinctrl_usdhc1_100mhz: usdhc1grp_100mhz {
+		fsl,pins = <
+			MX7D_PAD_SD1_CMD__SD1_CMD	0x5a
+			MX7D_PAD_SD1_CLK__SD1_CLK	0x1a
+			MX7D_PAD_SD1_DATA0__SD1_DATA0	0x5a
+			MX7D_PAD_SD1_DATA1__SD1_DATA1	0x5a
+			MX7D_PAD_SD1_DATA2__SD1_DATA2	0x5a
+			MX7D_PAD_SD1_DATA3__SD1_DATA3	0x5a
+		>;
+	};
+
+	pinctrl_usdhc1_200mhz: usdhc1grp_200mhz {
+		fsl,pins = <
+			MX7D_PAD_SD1_CMD__SD1_CMD	0x5b
+			MX7D_PAD_SD1_CLK__SD1_CLK	0x1b
+			MX7D_PAD_SD1_DATA0__SD1_DATA0	0x5b
+			MX7D_PAD_SD1_DATA1__SD1_DATA1	0x5b
+			MX7D_PAD_SD1_DATA2__SD1_DATA2	0x5b
+			MX7D_PAD_SD1_DATA3__SD1_DATA3	0x5b
+		>;
+	};
+
 	pinctrl_usdhc3: usdhc3grp {
 		fsl,pins = <
 			MX7D_PAD_SD3_CMD__SD3_CMD		0x59