[compiler-rt] [llvm] [compiler-rt] Restrict __gnu_h2f_ieee and __gnu_f2h_ieee to arm32 (PR #220170)

[Trevor Gross via llvm-commits]

tgross35 wrote:

Based on top of https://github.com/llvm/llvm-project/pull/220167

https://github.com/llvm/llvm-project/pull/220170