add nk_io at24_eeprom driver

hc

2023-02-14 796a7ef0befd21e25c2b9e42f53a6d7a4421941d

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# From https://www.kernel.org/pub/linux/utils/kbd/sha256sums.asc
sha256 5fd90af6beb225a9bb9b9fb414c090fba53c9a55793e172f508cd43652e59a88  kbd-2.0.4.tar.xz