man/weston.ini: Fix panel-position

It was renamed from panel-location in
55d5701ddf018887a30d9ddede38550967da61bc, and gained a few possible
values.

Signed-off-by: Quentin Glidic <sardemff7+git@sardemff7.net>
Reviewed-by: Daniel Stone <daniels@collabora.com>
1 file changed