Add support for disable-attach-detach-reconcile-sync flag in kube-controller-manager

[andersosthus]

kubernetes/kubernetes#39551 added two flags to control the attach-detach reconcile sync in kube-controller-manager, attach-detach-reconcile-sync-period and disable-attach-detach-reconcile-sync, but only one of them got added to Kops in #1465.

We currently have the need to set disable-attach-detach-reconcile-sync, so I suggest adding disable-attach-detach-reconcile-sync as an option alongside attach-detach-reconcile-sync-period to Kops.

I can contribute the changes needed, if this sounds ok.

[rifelpet]

Yes, feel free to open a PR! heres an example of a similar PR you can use as a reference. Essentially the field is added to pkg/apis/kops/v1alpha2/componentconfig.go and pkg/apis/kops/componentconfig.go and then you need to run make apimachinery crds.