image-rk3399: Add missing ARTIFACTDIR prefix
The image generation steps are missing the ARTIFACTDIR prefix, which causes a failure if the --artifactdir option is used.
Signed-off-by: Ariel D'Alessandro ariel.dalessandro@collabora.com
The image generation steps are missing the ARTIFACTDIR prefix, which causes a failure if the --artifactdir option is used.
Signed-off-by: Ariel D'Alessandro ariel.dalessandro@collabora.com