Update IAM permissions for amazon-vpc-cni-k8s 1.6.0
Update IAM permissions for amazon-vpc-cni-k8s 1.6.0

kubernetes/kops,justinsb/kops,kubernetes/kops,justinsb/kops,kubernetes/kops,robinpercy/kops,justinsb/kops,robinpercy/kops,robinpercy/kops,robinpercy/kops