doc : update documentation for --tensor-split (#15980)
* doc : update documentation for --tensor-split
* Update tools/main/README.md
Co-authored-by: Johannes Gäßler <johannesg@5d6.de>
* Update tools/main/README.md
Co-authored-by: Diego Devesa <slarengh@gmail.com>
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Co-authored-by: Johannes Gäßler <johannesg@5d6.de>
Co-authored-by: Diego Devesa <slarengh@gmail.com>