[OMNIML-5091] specdec_bench cell t0_d7 — nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4 / MTP / trtllm

[ChenhanYu]

Adds the shared SPEED-bench parent YAML for nvidia/NVIDIA-Nemotron-3-Super-120B-A12B-NVFP4 / MTP / TRTLLM. Cell-specific knobs remain CLI overrides at submission time.

Intern stage: OMNIML-5091 cell_t0_d7.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.92%. Comparing base (12ae5fb) to head (340aa30).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1774   +/-   ##
=======================================
  Coverage   76.92%   76.92%           
=======================================
  Files         511      511           
  Lines       56360    56360           
=======================================
  Hits        43356    43356           
  Misses      13004    13004           

Flag	Coverage Δ
unit	54.34% <ø> (ø)

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