[lld] [llvm] [llvm][LoongArch] Add reloc types for LA32R/LA32S (PR #172617)

[WÁNG Xuěruì via llvm-commits]

================
@@ -79,8 +79,8 @@ getEffectiveLoongArchCodeModel(const Triple &TT,
 
   switch (*CM) {
   case CodeModel::Small:
-    return *CM;
   case CodeModel::Medium:
+    return *CM;
   case CodeModel::Large:
     if (!TT.isArch64Bit())
       report_fatal_error("Medium/Large code model requires LA64");
----------------
xen0n wrote:

```suggestion
      report_fatal_error("Large code model requires LA64");
```

https://github.com/llvm/llvm-project/pull/172617