Remove kernel-features.h conditionals on pre-3.2 kernel

[Tulio Magno Quites Machado Filho]

Joseph Myers <joseph@codesourcery.com> writes:

> This patch follows up on the increase in minimum kernel version by
> removing conditionals in non-x86, non-x86_64 kernel-features.h headers
> that are now constant for all supported kernel versions.
>
> Untested.

Tested on powerpc (hard-float), powerpc64 and powerpc64le.

LGTM.

-- 
Tulio Magno