add at24 driver

hc

2023-11-06 15ade055295d13f95d49e3d99b09f3bbfb4a43e7

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# From http://www.sane-project.org/sane-md5sums.txt
md5 f9ed5405b3c12f07c6ca51ee60225fe7  sane-backends-1.0.25.tar.gz