[HELM] Uses new tpls for repos / images

This commit makes Helm example chart to use the new generator for repositories
and images.

Issue-ID: OOM-2364
Signed-off-by: Sylvain Desbureaux <sylvain.desbureaux@orange.com>
Change-Id: I1561fa6626687cf841c278231f2caab9cd99d46b
3 files changed