Target/TargetInstrInfo.h -> CodeGen/TargetInstrInfo.h to match layering

This header includes CodeGen headers, and is not, itself, included by
any Target headers, so move it into CodeGen to match the layering of its
implementation.

llvm-svn: 317647
diff --git a/llvm/lib/CodeGen/ScoreboardHazardRecognizer.cpp b/llvm/lib/CodeGen/ScoreboardHazardRecognizer.cpp
index e2cb8ca..b789e2d 100644
--- a/llvm/lib/CodeGen/ScoreboardHazardRecognizer.cpp
+++ b/llvm/lib/CodeGen/ScoreboardHazardRecognizer.cpp
@@ -15,12 +15,12 @@
 
 #include "llvm/CodeGen/ScoreboardHazardRecognizer.h"
 #include "llvm/CodeGen/ScheduleDAG.h"
+#include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/MC/MCInstrDesc.h"
 #include "llvm/MC/MCInstrItineraries.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/Target/TargetInstrInfo.h"
 #include <cassert>
 
 using namespace llvm;