[BUG] Removal of OpMultiplyAdd template substitutions from mma_sm80.h in 3.5.1

[ankutalev]

Hello!
In Cutlass 3.5.1 OpMultiplyAdd substitutions for s8/s4 types were removed, only OpMultiplyAddSaturate stay.

3.5.0 version
3.5.1 version

Cases seems identical (use same mma instructions), but this change:

1. Breaks backward compatibility
2. Makes coding more confusing - you are not expecting to use OpMultiplyAddSaturate when do int4/int8 GEMM's.

Is it bug or intended decision, which will not be fixed?

Thanks

[github-actions]

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