arm64: dts: imx8qm-mek: fix gpio number for reg_usdhc2_vmmc

The gpio in "reg_usdhc2_vmmc" should be 7 instead of 19.

Cc: stable@vger.kernel.org
Fixes: 307fd14 ("arm64: dts: imx: add imx8qm mek support")
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8qm-mek.dts

@@ -36,7 +36,7 @@
 		regulator-name = "SD1_SPWR";
 		regulator-min-microvolt = <3000000>;
 		regulator-max-microvolt = <3000000>;
-		gpio = <&lsio_gpio4 19 GPIO_ACTIVE_HIGH>;
+		gpio = <&lsio_gpio4 7 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};