packaging: setup: pass domain type to mount

while validating the domain, pass the domain type to
mount allowing to mount correctly glusterfs domains.

Change-Id: I2a297ce3b308b4d8fb4e32cd8ee54461b7f38dc7
Reported-By: Oved Ourfalli <ovedo@redhat.com>
Signed-off-by: Sandro Bonazzola <sbonazzo@redhat.com>