add nk_io at24_eeprom driver

hc

2023-02-14 796a7ef0befd21e25c2b9e42f53a6d7a4421941d

1
2
# From https://raw.githubusercontent.com/Xilinx/u-boot-xlnx
sha1    940331ee02b0007099effa61e382fe7ea4174054    zynq-boot-bin.py