[llvm] llvm.lround: Update verifier to validate support of vector types. (PR #98950)

[Sumanth Gundapaneni via llvm-commits]

sgundapa wrote:

The scalarizatio of vector input happens through this patch : https://github.com/llvm/llvm-project/pull/101054 

https://github.com/llvm/llvm-project/pull/98950