[llvm] [NVPTX] Enable i128 support in the NVPTX backend (PR #98658)

[Artem Belevich via llvm-commits]

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+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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Artem-B wrote:

For simple ops, sure. For the real division the code is a bit too large to be a good test one could reason about.

It does the job. If it does not cause too much churn because LLVM rearranges those instructions too often due to unrelated changes, I'm OK with it.

https://github.com/llvm/llvm-project/pull/98658