[PATCH][AARCH64]Document .arch and .arch_extension directive in GAS c-aarch64.texi

[Marcus Shawcroft]

On 24 November 2014 at 16:58, Renlin Li <renlin.li@arm.com> wrote:
> Hi all,
>
> This is a simple patch to add .arch and .arch_extension directive
> documentation into c-aarch64.texi.
>
> arch64-none-elf has been built, no new issue. Documentations of html and
> info format are both checked.
>
> Okay to commit?
>
> gas/ChangeLog:
>
> 2014-11-24  Renlin Li  <Renlin.Li@arm.com>
>
>     * doc/c-aarch64.texi (.arch): Document the directive.
>     (.arch_extension): Likewise.

OK /Marcus