add nk_io at24_eeprom driver

hc

2023-02-14 796a7ef0befd21e25c2b9e42f53a6d7a4421941d

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef ___TOOLS_LINUX_ASM_SPARC_BARRIER_H
#define ___TOOLS_LINUX_ASM_SPARC_BARRIER_H
#if defined(__sparc__) && defined(__arch64__)
#include "barrier_64.h"
#else
#include "barrier_32.h"
#endif
#endif