[lld] [lld][Hexagon] Fix TLS GD PLT to only create PLT entry for __tls_get_addr (PR #180297)

[Brian Cain via llvm-commits]

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@@ -173,6 +173,7 @@ void addGotEntry(Ctx &ctx, Symbol &sym);
 
 void hexagonTLSSymbolUpdate(Ctx &ctx);
 bool hexagonNeedsTLSSymbol(ArrayRef<OutputSection *> outputSections);
+bool hexagonNeedsTLSSymbolEarly(Ctx &ctx);
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androm3da wrote:

Ok maybe instead handling it in the `needsPlt(expr)` case in `RelocScan::process()` makes more sense.

https://github.com/llvm/llvm-project/pull/180297