Hexagon: Remove forbidden iostream includes (it introduces static initializers)

Reorder includes while at it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149863 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Hexagon/HexagonInstrInfo.cpp b/lib/Target/Hexagon/HexagonInstrInfo.cpp
index a346cd7..e83da50 100644
--- a/lib/Target/Hexagon/HexagonInstrInfo.cpp
+++ b/lib/Target/Hexagon/HexagonInstrInfo.cpp
@@ -1,4 +1,4 @@
-//=- HexagonInstrInfo.cpp - Hexagon Instruction Information -------*- C++ -*-=//
+//===- HexagonInstrInfo.cpp - Hexagon Instruction Information -------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -15,22 +15,19 @@
 #include "HexagonInstrInfo.h"
 #include "HexagonSubtarget.h"
 #include "Hexagon.h"
-#include "llvm/Support/MathExtras.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/CodeGen/DFAPacketizer.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
 #include "llvm/CodeGen/PseudoSourceValue.h"
+#include "llvm/Support/MathExtras.h"
 #define GET_INSTRINFO_CTOR
-#include "llvm/CodeGen/DFAPacketizer.h"
 #include "HexagonGenInstrInfo.inc"
 #include "HexagonGenDFAPacketizer.inc"
 
-#include <iostream>
-
-
 using namespace llvm;
 
 ///