[PATCH 2/2][Aarch64][gas] Add support for ARMv8.1a Adv.SIMD instructions.

[Nicholas Clifton]

Hi Matthew,

> gas/
> 2015-05-20  Matthew Wahab  <matthew.wahab@arm.com>
>
>      * config/tc-aarch64.c (aarch64_features): Add "rdma".
>      * doc/c-aarch64.texi (AArch64 Extensions): Add "rdma".
>
> gas/testsuite/
> 2015-05-20  Matthew Wahab  <matthew.wahab@arm.com>
>
>      * rdma-directive.d: New.
>      * rdma.d: New.
>      * rdma.s: New.

Approved - please apply.

Cheers
   Nick