spec: Treat configuration file as configuration
spec: Treat configuration file as configuration

Up until now the configuration file were treated as regular file and
hence were replaced during each upgrade. But configuration file are not
to be replaced at each upgrade. The '%config' directive was missing.

Change-Id: I288b135a02369369bec3c31ac688351fc81aafb7

redhat-cip/dci-control-server,enovance/dci-control-server,enovance/dci-control-server,redhat-cip/dci-control-server