[libcxx-commits] [libcxx] [libcxxabi] [libunwind] [NFC][libc++][libc++abi][libunwind][test] Fix/unify AIX triples used in LIT tests (PR #101196)

[Xing Xue via libcxx-commits]

xingxue-ibm wrote:

/cherry-pick [2d36550](https://github.com/llvm/llvm-project/commit/2d3655037ccfa276cb0949c2ce0cff56985f6637)

https://github.com/llvm/llvm-project/pull/101196