[SCSI] libsas: fix sas port naming

Make sas-port naming consistent with the expander-attached case whereby
the phy-id is the last digit in the port name.  Otherwise we get the
random behavior of the allocation order.
Reported-by: NPatrick Thomson <patrick.s.thomson@intel.com>
Signed-off-by: NDan Williams <dan.j.williams@intel.com>
Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>

drivers/scsi/libsas/sas_port.c

@@ -122,7 +122,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
 	spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags);
 
 	if (!port->port) {
-		port->port = sas_port_alloc(phy->phy->dev.parent, port->id);
+		port->port = sas_port_alloc(phy->phy->dev.parent, phy->id);
 		BUG_ON(!port->port);
 		sas_port_add(port->port);
 	}