r440699 broke xorg on aarch64 (rpi3 and alike)

[Jan Beich]

Gergely Czuczy <gergely.czuczy at harmless.hu> writes:

> Hello,
>
> r440699 [1] made mesa-dri unconditionally depend on s2tc, which
> unconditionally depends on nvidia-texture-tools. nvidia-texture-tools
> is not supported on aarch64, which is the platform of rpi3.

Only for `make test`.

>
> Could you please make sure xorg works on aarch64 as well?

http://thunderx1.nyi.freebsd.org/data/latest-per-pkg/xorg-server/1.18.4_3%2C1/110arm64-default.log
http://thunderx1.nyi.freebsd.org/data/latest-per-pkg/xorg-server/1.18.4_3%2C1/head-arm64-default.log