Emacs-tag and some comment fix for all ARM, CellSPU, Hexagon, MBlaze, MSP430, PPC, PTX, Sparc, X86, XCore.

llvm-svn: 150878
diff --git a/llvm/lib/Target/ARM/ARM.td b/llvm/lib/Target/ARM/ARM.td
index dd9c4bd..076424e 100644
--- a/llvm/lib/Target/ARM/ARM.td
+++ b/llvm/lib/Target/ARM/ARM.td
@@ -1,4 +1,4 @@
-//===- ARM.td - Describe the ARM Target Machine ------------*- tablegen -*-===//
+//===-- ARM.td - Describe the ARM Target Machine -----------*- tablegen -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //