modules/eks: tag properly the ASGs

As it turns out, the automatic scaling groups (ASGs) created by the EKS cluster do not inherit tags. We need to update the ASGs afterwards as a workaround. Upstream is working this out, but unfortunately this is still needed.

For more information see:

https://github.com/terraform-aws-modules/terraform-aws-eks/issues/860 https://github.com/aws/containers-roadmap/issues/608

Signed-off-by: Miroslav Vadkerti mvadkert@redhat.com