Merge topic 'target-origin'

cc42f1047b cmTarget: Add origin property

Acked-by: Kitware Robot <kwrobot@kitware.com>
Reviewed-by: Vito Gamberini <vito.gamberini@kitware.com>
Acked-by: Matthew Woehlke <matthew.woehlke@kitware.com>
Merge-request: !10964