Replace ValueTypes.h with MachineValueType.h if possible.

Utilize the previous move of MVT to a separate header for all trivial
cases (that don't need any further restructuring).

Reviewed By: Tim Northover

llvm-svn: 204003
diff --git a/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp b/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp
index 5d903e6..5f2441c 100644
--- a/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp
+++ b/llvm/lib/Target/X86/Utils/X86ShuffleDecode.cpp
@@ -13,7 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "X86ShuffleDecode.h"
-#include "llvm/CodeGen/ValueTypes.h"
+#include "llvm/CodeGen/MachineValueType.h"
 
 //===----------------------------------------------------------------------===//
 //  Vector Mask Decoding