Replace string GNU Triples with llvm::Triple in TargetMachine. NFC.

Summary:
For the moment, TargetMachine::getTargetTriple() still returns a StringRef.

This continues the patch series to eliminate StringRef forms of GNU triples
from the internals of LLVM that began in r239036.

Reviewers: rengolin

Reviewed By: rengolin

Subscribers: ted, llvm-commits, rengolin, jholewinski

Differential Revision: http://reviews.llvm.org/D10362

llvm-svn: 239554
diff --git a/llvm/lib/Target/MSP430/MSP430TargetMachine.h b/llvm/lib/Target/MSP430/MSP430TargetMachine.h
index 6ccd30d..4f955a8 100644
--- a/llvm/lib/Target/MSP430/MSP430TargetMachine.h
+++ b/llvm/lib/Target/MSP430/MSP430TargetMachine.h
@@ -28,8 +28,8 @@
   MSP430Subtarget        Subtarget;
 
 public:
-  MSP430TargetMachine(const Target &T, StringRef TT,
-                      StringRef CPU, StringRef FS, const TargetOptions &Options,
+  MSP430TargetMachine(const Target &T, const Triple &TT, StringRef CPU,
+                      StringRef FS, const TargetOptions &Options,
                       Reloc::Model RM, CodeModel::Model CM,
                       CodeGenOpt::Level OL);
   ~MSP430TargetMachine() override;