Rename the 'hurd' dri_platform to 'pseudo-drm' to represent non-DRM
presentation platforms.
This platform is now also enabled when building zink and Turnip with the
KGSL backend, allowing zink to use Kopper.
Acked-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Eric Engestrom <eric@igalia.com>
Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/8634
Signed-off-by: Valentine Burley <valentine.burley@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/40302>