* Add --override-tensors option to llama-bench
* Correct llama-bench --override-tensors to --override-tensor
* llama-bench: Update --override-tensors parsing to match --tensor-split, appear in test matrix.
* Make new llama-bench util functions static to fix Ubuntu CI
* llama-bench: Correct -ot corner cases (No -ot calls, leading and trailing empty -ot spans, etc.)
c0a97b762e