This patch fixes bad generated cloud-config file due to missing double quotes.
As a result, kube-controller-manager and kubelet services fail to start.
This is a regression introduced in https://review.opendev.org/#/c/666625/.
Change-Id: I0e0a3786e084fc4d3aae3151791d79c3956d2e52
Task: 36192
Story: 2005333