[PATCH 2/2][ARM][gas] Add support for ARMv8.1 PAN extension.

[Nicholas Clifton]

Hi Matthew,

> gas/
> 2015-05-21  Matthew Wahab  <matthew.wahab@arm.com>
>
>      * config/tc-arm.c (arm_ext_pan): New.
>      (do_setpan): New, encode an ARM SETPAN instruction.
>      (do_t_setpan): New, encode a Thumb SETPAN instruction.
>      (insns): Add "setpan".
>      (arm_extensions): Add "pan".
>      * doc/c-arm.texi (ARM Options): Add "pan" to list of -mcpu
>      processor extensions.
>
> gas/testsuite/
> 2015-05-21  Matthew Wahab  <matthew.wahab@arm.com>
>
>      * gas/arm/armv8-a+pan.d: New.
>      gas/arm/armv8-a+pan.s: New.

Approved - please apply.

Cheers
   Nick