[Feature]: https://github.com/mlcommons/inference/blob/master/README.md needs MLPerf Inference 6.1 table

[arekay-nv]

Copying over from mlcommons/endpoints#416 (comment)

Motivation

https://github.com/mlcommons/inference/blob/master/README.md needs updated table for MLPerf Inference 6.1.
For reference see the table for MLPerf Inference 6.0

Proposed Solution

For reference see the table for MLPerf Inference 6.0

cc : @pgmpablo157321