packaging: setup: database: do not enable provisioning unless actually requested

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1070735
Change-Id: If45bba8bd95b8bf4ab71c5ee1839b20d6becc779
Signed-off-by: Alon Bar-Lev <alonbl@redhat.com>