[OSDOCS-2343]: Added etcd as a control plane option#1

tmalove wants to merge 1 commit intomaintmalove/openshift-docs:mainfrom

OSDOCS-2343]-Add-etcd-as-a-control-plane-component-for-4.9tmalove/openshift-docs:OSDOCS-2343]-Add-etcd-as-a-control-plane-component-for-4.9Copy head branch name to clipboard