arm64: dts: imx8mp-skov-reva: Use hardware signal for SD card VSELECT

The USDHC controller is able to control the IO voltage of the SD card.
There is no reason to use a GPIO to control it.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
---
Changes for v2:
* new patch

arch/arm64/boot/dts/freescale/imx8mp-skov-reva.dtsi

@@ -232,7 +232,6 @@ pmic@25 {
 		pinctrl-names = "default";
 		pinctrl-0 = <&pinctrl_pmic>;
 		interrupts-extended = <&gpio1 3 IRQ_TYPE_EDGE_RISING>;
-		sd-vsel-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
 
 		regulators {
 			reg_vdd_soc: BUCK1 {
@@ -555,7 +554,6 @@ MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA				0x400001c3
 	pinctrl_pmic: pmicirqgrp {
 		fsl,pins = <
 			MX8MP_IOMUXC_GPIO1_IO03__GPIO1_IO03			0x41
-			MX8MP_IOMUXC_GPIO1_IO04__GPIO1_IO04			0x41
 		>;
 	};
 
@@ -623,6 +621,7 @@ MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0			0x1d0
 			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1			0x1d0
 			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2			0x1d0
 			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3			0x1d0
+			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT			0xc0
 		>;
 	};
 
@@ -634,6 +633,7 @@ MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0			0x1d4
 			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1			0x1d4
 			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2			0x1d4
 			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3			0x1d4
+			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT			0xc0
 		>;
 	};
 
@@ -645,6 +645,7 @@ MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0			0x1d6
 			MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1			0x1d6
 			MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2			0x1d6
 			MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3			0x1d6
+			MX8MP_IOMUXC_GPIO1_IO04__USDHC2_VSELECT			0xc0
 		>;
 	};