Revert r247692: Replace Triple with a new TargetTuple in MCTargetDesc/* and related. NFC.

Eric has replied and has demanded the patch be reverted.

llvm-svn: 247702
diff --git a/llvm/lib/Target/MSP430/MSP430Subtarget.cpp b/llvm/lib/Target/MSP430/MSP430Subtarget.cpp
index c998e11..6216348 100644
--- a/llvm/lib/Target/MSP430/MSP430Subtarget.cpp
+++ b/llvm/lib/Target/MSP430/MSP430Subtarget.cpp
@@ -33,5 +33,5 @@
 
 MSP430Subtarget::MSP430Subtarget(const Triple &TT, const std::string &CPU,
                                  const std::string &FS, const TargetMachine &TM)
-    : MSP430GenSubtargetInfo(TargetTuple(TT), CPU, FS), FrameLowering(),
+    : MSP430GenSubtargetInfo(TT, CPU, FS), FrameLowering(),
       InstrInfo(initializeSubtargetDependencies(CPU, FS)), TLInfo(TM, *this) {}