[ARM][gas] Add crypto-neon-fp-armv8.1 as an fpu option.

[Matthew Wahab]

On 19/06/15 10:35, Matthew Wahab wrote:
> Hello,
>
> Support for ARMv8.1 Adv.SIMD was recently added to gas as architecture
> extensions and as the -mfpu option neon-fp-armv8.1. This patch adds the -mfpu
> option crypto-neon-fp-armv8.1 as neon-fp-armv8.1 with the crypto extension
> enabled.
>
> Tested for arm-none-linux-gnueabihf with check-binutils and check-gas. Checked
> HTML documentation.
>
> Ok for trunk?
> Matthew
>
> gas/
> 2015-06-19  Matthew Wahab  <matthew.wahab@arm.com>
>
> 	* config/tc-arm.c (arm_fpus): Add crypto-neon-fp-armv8.1.
> 	* doc/c-arm.texi (-mfpu=): Likewise.
>

Unfortunately I got the documentation wrong for this and the neon-fp-armv8.1 option. 
The manual has the command line options ending with 'v8-1' rather than 'v8.1'.
I'll redo the patch to fix both.

Matthew