[llvm] [AArch64][SVE2] UZP should only have one result (PR #93041)

[Miguel Saldivar via llvm-commits]

Saldivarcher wrote:

I added the test, let me know how it looks.

Yeah, please go ahead and do what you think is necessary, I'm not entirely sure why we go down this code path to begin with. 

https://github.com/llvm/llvm-project/pull/93041