[llvm] [PowerPC][AIX] Enable aix-small-local-dynamic-tls target attribute without folding opt (PR #86641)

[Amy Kwan via llvm-commits]

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@@ -1672,7 +1673,12 @@ const MCExpr *PPCAsmPrinter::getAdjustedLocalExecExpr(const MachineOperand &MO,
 
   assert(MO.isGlobal() && "Only expecting a global MachineOperand here!");
   const GlobalValue *GValue = MO.getGlobal();
-  assert(TM.getTLSModel(GValue) == TLSModel::LocalExec &&
+  // TODO: handle aix-small-local-dynamic-tls none-zero offset case.
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amy-kwan wrote:

```suggestion
  // TODO: Handle the aix-small-local-dynamic-tls non-zero offset case.
```

https://github.com/llvm/llvm-project/pull/86641