[DynInst_API:] [dyninst/dyninst] 657761: Syntax fixes for ARM64

[Sunny Shah <shah28@xxxxxxxx>]

  Branch: refs/heads/att_syntax
  Home:   https://github.com/dyninst/dyninst
  Commit: 657761f1a1e4e5747ac860c89ca270c9b19de3bc
      https://github.com/dyninst/dyninst/commit/657761f1a1e4e5747ac860c89ca270c9b19de3bc
  Author: Sunny Shah <shah28@xxxxxxxx>
  Date:   2016-10-24 (Mon, 24 Oct 2016)

  Changed paths:
    M instructionAPI/h/ArchSpecificFormatters.h
    M instructionAPI/h/BinaryFunction.h
    M instructionAPI/src/ArchSpecificFormatters.C
    M instructionAPI/src/InstructionDecoder-aarch64.C

  Log Message:
  -----------
  Syntax fixes for ARM64

* Added new method to ArchSpecificFormatter for binary functions. The base class implements this with the older implementation in BinaryFunction::format().
* Modified ARM64 decoder to add a 0 Immediate to CMEQ's zero variant
* Other syntax fixes