[llvm] [PowerPC] Support local-dynamic TLS relocation on AIX (PR #66316)

[Kai Luo via llvm-commits]

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@@ -156,10 +156,11 @@ define void @storesTIInit(double %Val) #0 {
 ; SMALL32:       # %bb.0: # %entry
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bzEq wrote:

The change is subtle, since `TIInit` is `internal`, all changes in this file is about `TIInit`.

https://github.com/llvm/llvm-project/pull/66316