Fix formatting in AArch64 backend.

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

No functional changes.

llvm-svn: 174370
diff --git a/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.cpp b/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.cpp
index cf9a638..5f09074 100644
--- a/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.cpp
+++ b/llvm/lib/Target/AArch64/Utils/AArch64BaseInfo.cpp
@@ -725,7 +725,8 @@
 }
 
 
-bool A64Imms::isLogicalImmBits(unsigned RegWidth, uint32_t Bits, uint64_t &Imm) {
+bool A64Imms::isLogicalImmBits(unsigned RegWidth, uint32_t Bits,
+                               uint64_t &Imm) {
   uint32_t N = Bits >> 12;
   uint32_t ImmR = (Bits >> 6) & 0x3f;
   uint32_t ImmS = Bits & 0x3f;