Move TargetLoweringObjectFile from CodeGen to Target to fix layering

It's implemented in Target & include from other Target headers, so the
header should be in Target.

llvm-svn: 328392
diff --git a/llvm/lib/Target/TargetLoweringObjectFile.cpp b/llvm/lib/Target/TargetLoweringObjectFile.cpp
index 6654eab..82b85a0 100644
--- a/llvm/lib/Target/TargetLoweringObjectFile.cpp
+++ b/llvm/lib/Target/TargetLoweringObjectFile.cpp
@@ -12,7 +12,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/CodeGen/TargetLoweringObjectFile.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
 #include "llvm/BinaryFormat/Dwarf.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/IR/Constants.h"