Rename TargetSubtarget to TargetSubtargetInfo for consistency.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134259 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86Subtarget.cpp b/lib/Target/X86/X86Subtarget.cpp
index 5c653f6..46b50cc 100644
--- a/lib/Target/X86/X86Subtarget.cpp
+++ b/lib/Target/X86/X86Subtarget.cpp
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file implements the X86 specific subclass of TargetSubtarget.
+// This file implements the X86 specific subclass of TargetSubtargetInfo.
 //
 //===----------------------------------------------------------------------===//