Common targets are:
- meta-agl layer:
  - included by default
    * agl-image-boot                (just enough to boot)
    * agl-image-minimal             (minimal filesystem with APIs)
    * agl-image-minimal-crosssdk    (crosssdk for ^^)

    * agl-image-weston              (minimal filesystem with weston)
    * agl-image-compositor          (minimal filesystem with AGL compositor)

- meta-agl-demo:                    (IVI demo with UI)
  - with 'agl-demo'
    * agl-ivi-image                 (base for IVI targets)
    * agl-ivi-image-crosssdk        (sdk for ^^)

    * agl-ivi-demo-qt               (IVI Qt demo image)
    * agl-ivi-demo-qt-crosssdk      (sdk for ^^)
    * agl-ivi-demo-flutter          (IVI Flutter demo image)
    * agl-ivi-demo-html5            (IVI HTML5 demo image)

    * agl-cluster-demo-qt           (cluster Qt demo image)
    * agl-cluster-demo-flutter      (cluster Flutter demo image)

    * agl-telematics-demo           (telematics demo image)

    * agl-gateway-demo              (gateway demo image)