add nk_io at24_eeprom driver

hc

2023-02-14 796a7ef0befd21e25c2b9e42f53a6d7a4421941d

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/* EXPORT_DATA_SYMBOL != EXPORT_SYMBOL here */
#define KSYM_FUNC(name) @fptr(name)
#include <asm-generic/export.h>