u-boot/arch/arm/dts/imx7-cm-u-boot.dtsi

/{
    aliases {
        mmc0 = &usdhc1;
    };
};

&usdhc1 {
	u-boot,dm-spl;
};

&i2c1 {
	u-boot,dm-spl;
};

&pinctrl_i2c1 {
	u-boot,dm-spl;
};