For non-XOS charts, use a global registry var, split docker image name/tag/pullPolicy

Change-Id: Icffc569e2c152e0b413f4c7b7d9a546bd9a3ef58
diff --git a/abstract-olt/Chart.yaml b/abstract-olt/Chart.yaml
index 3074027..1f46dfd 100644
--- a/abstract-olt/Chart.yaml
+++ b/abstract-olt/Chart.yaml
@@ -13,7 +13,9 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-appVersion: latest
-description: A Helm chart for SEBA's Abstract OLT layer
 name: abstract-olt
+description: A Helm chart for SEBA's Abstract OLT layer
+icon: https://guide.opencord.org/logos/cord.svg
+
 version: 0.1.0
+appVersion: latest