Fix formatting in AArch64 backend.

This should fix three purely whitespace issues:
    + 80 column violations.
    + Tab characters.
    + TableGen brace placement.

No functional changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174370 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/AArch64/AArch64TargetObjectFile.cpp b/lib/Target/AArch64/AArch64TargetObjectFile.cpp
index 3bb961a..d5c3e89 100644
--- a/lib/Target/AArch64/AArch64TargetObjectFile.cpp
+++ b/lib/Target/AArch64/AArch64TargetObjectFile.cpp
@@ -1,4 +1,4 @@
-//===-- AArch64TargetObjectFile.cpp - AArch64 Object Info ------------------===//
+//===-- AArch64TargetObjectFile.cpp - AArch64 Object Info -----------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //