packaging: setup: wait more for engine to start

It seems that 1 minute is not enough for having the engine
running when started by ovirt-live iso.
Extended wait up to 3 minutes.

Change-Id: Ie4efd52dd482802f6fbe1b8de72b435babc0f435
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>