Put Target definitions inside Target specific header, and llvm namespace.

llvm-svn: 76344
diff --git a/llvm/lib/Target/CellSPU/TargetInfo/CellSPUTargetInfo.cpp b/llvm/lib/Target/CellSPU/TargetInfo/CellSPUTargetInfo.cpp
index c5ad7b8..9baec63 100644
--- a/llvm/lib/Target/CellSPU/TargetInfo/CellSPUTargetInfo.cpp
+++ b/llvm/lib/Target/CellSPU/TargetInfo/CellSPUTargetInfo.cpp
@@ -11,7 +11,7 @@
 #include "llvm/Target/TargetRegistry.h"
 using namespace llvm;
 
-Target TheCellSPUTarget;
+Target llvm::TheCellSPUTarget;
 
 static unsigned CellSPU_JITMatchQuality() {
   return 0;