Olivier Fourdan authored Aug 03, 2020 and Pekka Paalanen committed Aug 14, 2020

weston-info is now deprecated in favor of wayland-info which is part of
wayland-utils.

Add a note to weston-info to inform users that weston-info is deprecated
and will be removed soon.

Signed-off-by: Olivier Fourdan <ofourdan@redhat.com>