add nk_io at24_eeprom driver

hc

2023-02-14 796a7ef0befd21e25c2b9e42f53a6d7a4421941d

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# From http://ftp.gnome.org/pub/gnome/sources/libsigc++/2.10/libsigc++-2.10.0.sha256sum
sha256    f843d6346260bfcb4426259e314512b99e296e8ca241d771d21ac64f28298d81    libsigc++-2.10.0.tar.xz