add nk_io at24_eeprom driver

hc

2023-02-14 796a7ef0befd21e25c2b9e42f53a6d7a4421941d

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/ {
    serial: serial {
        u-boot,dm-pre-reloc;
        compatible = "ns16550";
        reg = <0x3f8 8>;
        reg-shift = <0>;
        clock-frequency = <1843200>;
        current-speed = <115200>;
    };
};