[llvm] unittests: ORC: Skip the ReOptimizeLayerTest for RISC-V (PR #134702)

[Nikita Popov via llvm-commits]

https://github.com/nikic approved this pull request.

LGTM, let's merge this given that it follows what the existing code does. Can clean it up later if we get a general API for this...

https://github.com/llvm/llvm-project/pull/134702