Extend Registry configuration failed when using AWS S3 object store

Issue

• Seen error in registry logs.

time="2018-10-19T01:30:50Z" level=warning msg="Ignoring unrecognized environment variable REGISTRY_CONSOLE_SERVICE_PORT_REGISTRY_CONSOLE" time="2018-10-19T01:30:50Z" level=info msg="DEPRECATED: \"OPENSHIFT_DEFAULT_REGISTRY\" is deprecated, use the 'REGISTRY_OPENSHIFT_SERVER_ADDR' instead" time="2018-10-19T01:30:50.21155289Z" level=info msg="start registry" distribution_version=v2.6.2+unknown go.version=go1.9.4 instance.id=xxxxx-xxxx-xxx-xxxx-xxxx openshift_version=v3.11.16 time="2018-10-19T01:30:50.213526993Z" level=info msg="quota enforcement disabled" go.version=go1.9.4 instance.id=xxxxx-xxxx-xxx-xxxx-xxxx panic: On Amazon S3 this storage driver can only be used with v4 authentication