[cleanup] Fix two headers where we included a standard library header

after including the generated code from tablegen.

llvm-svn: 206841

llvm/lib/Target/AArch64/AArch64Subtarget.h

@@ -16,12 +16,11 @@
 
 #include "llvm/ADT/Triple.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
+#include <string>
 
 #define GET_SUBTARGETINFO_HEADER
 #include "AArch64GenSubtargetInfo.inc"
 
-#include <string>
-
 namespace llvm {
 class StringRef;
 class GlobalValue;

llvm/lib/Target/NVPTX/NVPTXSubtarget.h

@@ -16,12 +16,11 @@
 
 #include "NVPTX.h"
 #include "llvm/Target/TargetSubtargetInfo.h"
+#include <string>
 
 #define GET_SUBTARGETINFO_HEADER
 #include "NVPTXGenSubtargetInfo.inc"
 
-#include <string>
-
 namespace llvm {
 
 class NVPTXSubtarget : public NVPTXGenSubtargetInfo {