cherry-pick for 2.31 branch: x86: Replace evex-no-scale.s with evex-no-scale-[32|64].s

[H.J. Lu]

On Fri, Aug 10, 2018 at 12:39 PM, Roland McGrath via binutils
<binutils@sourceware.org> wrote:
> I'd like to cherry-pick commit
> 19449d7c67690c641b1ec9c13ff3531677a5afcc from trunk to the 2.31
> branch.
> It fixes a test suite regression for --target=x86_64-elf.
>
> OK?
>

It is done.

-- 
H.J.