[clang] [clang][LoongArch] Add FreeBSD targets (PR #119191)

[via cfe-commits]

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@@ -231,6 +231,9 @@ class LLVM_LIBRARY_VISIBILITY FreeBSDTargetInfo : public OSTargetInfo<Target> {
     case llvm::Triple::riscv32:
     case llvm::Triple::riscv64:
       break;
+    case llvm::Triple::loongarch32:
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hitmoon wrote:

@brooksdavis Thanks!
after have reading [Future of 32-bit platform support in FreeBSD](https://lists.freebsd.org/archives/freebsd-announce/2024-February/000117.html) , I think It's reasonable to exclude 32 bit from LoongArch support. 
I also hope to hear some comments/suggestions from @emaste 

https://github.com/llvm/llvm-project/pull/119191