[llvm] [PowerPC][AIX] Emit PowerPC version for XCOFF. (PR #95510)

[Kai Luo via llvm-commits]

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@@ -490,6 +492,9 @@ class MCAssembler {
   }
   StringRef getCompilerVersion() { return CompilerVersion; }
 
+  void setCPU(StringRef TargetCPU) { CPU = TargetCPU; }
+  StringRef getCPU() { return CPU; }
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bzEq wrote:

```suggestion
  StringRef getCPU() const { return CPU; }
```

https://github.com/llvm/llvm-project/pull/95510