[Mach-O, committed]: Add definition for arm64 cpu

[Tristan Gingold]

On 26 Mar 2014, at 17:24, Richard Earnshaw <rearnsha@arm.com> wrote:

> On 26/03/14 15:10, Tristan Gingold wrote:
>> Hi,
>> 
>> this patch just add the new Mach-O cpu id for arm64 (aarch64).
>> 
> 
> I think the name used by binutils should be consistent: aarch64.  The
> use of arm64 is going to be misleading.

In fact it is consistent with the macro name defined by Apple :-(
Hard to be consistent with two non-consistent usages.

I don't know why arm64 is so common: at least in the Apple world
and in the linux kernel.

Tristan.