[llvm] [x86] Synchronize fp128 and i128 ABI tests (nfc) (PR #147923)

[Phoebe Wang via llvm-commits]

phoebewang wrote:

How about replace the type in the RUN command, so that we can share the same source and probably same CHECK when you fixed it. An example in llvm/test/CodeGen/X86/vector-lrint-f16.ll

https://github.com/llvm/llvm-project/pull/147923