[ARM][2.26] Backport ARMv8.2 architecture feature and command line option

[Tristan Gingold]

> On 10 Dec 2015, at 13:34, Matthew Wahab <matthew.wahab@foss.arm.com> wrote:
> 
> Hello,
> 
> This is a backport of the ARMv8.2 command line option and feature flag
> added by https://sourceware.org/ml/binutils-cvs/2015-11/msg00115.html
> 
> The original patch submission is at
> https://sourceware.org/ml/binutils/2015-11/msg00129.html
> 
> Tested arm-none-linux-gnueabihf with cross-compiled check-binutils and
> check-gas. Checked the HTML documentation in Firefox.
> 
> Ok for the branch?

Yes.

Is it the last backport or is there something else ?