add nk_io at24_eeprom driver

hc

2023-02-14 796a7ef0befd21e25c2b9e42f53a6d7a4421941d

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# From https://www.kernel.org/pub/linux/utils/boot/syslinux/sha256sums.asc
sha256    26d3986d2bea109d5dc0e4f8c4822a459276cf021125e8c9f23c3cca5d8c850e    syslinux-6.03.tar.xz