Import llvm r187614 (git 44c8e34), for lldb's use:

Import llvm r187614 (git 44c8e34), for lldb's use:

  Author: Daniel Malea <daniel.malea@intel.com>
  Date:   Thu Aug 1 21:18:16 2013 +0000

    Fixed the Intel-syntax X86 disassembler to respect the (existing)
    option for hexadecimal immediates, to match AT&T syntax. This also
    brings a new option for C-vs-MASM-style hex.

    Patch by Richard Mitton
    Reviewed: http://llvm-reviews.chandlerc.com/D1243