Drop support for creating $stubs.

They are created by ld64 since OS X 10.5.

llvm-svn: 274130
diff --git a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
index fd3de99..f0cc17e 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCInstrInfo.cpp
@@ -1856,7 +1856,7 @@
 PPCInstrInfo::getSerializableBitmaskMachineOperandTargetFlags() const {
   using namespace PPCII;
   static const std::pair<unsigned, const char *> TargetFlags[] = {
-      {MO_PLT_OR_STUB, "ppc-plt-or-stub"},
+      {MO_PLT, "ppc-plt"},
       {MO_PIC_FLAG, "ppc-pic"},
       {MO_NLP_FLAG, "ppc-nlp"},
       {MO_NLP_HIDDEN_FLAG, "ppc-nlp-hidden"}};