Add istio-control-master to namespaces to be considered by citadel.
Add istio-control-master to namespaces to be considered by citadel.

Co-authored-by: Axel Siebenborn <d0d76674942a666fc48e8b0d16009d94c19819d9@sap.com>
Signed-off-by: Julia Plachetka <5f0ed2b39af43ff945b80ee76b54e52a7cfdb8b5@sap.com>

istio/istio,istio/istio,smawson/istio,smawson/istio,istio/installer,smawson/istio,smawson/istio,istio/istio,istio/istio,smawson/istio,istio/installer,istio/istio,smawson/istio