7388 Support DHCP Client FQDN. Allow IAID/DUID for all v4.

*** 105,115 ****
                          return (status);
                  }
          }
  
          /* Persist the intfid. */
!         status = i_ipadm_addr_persist(iph, addr, B_FALSE, i_flags);
          if (status != IPADM_SUCCESS) {
                  (void) i_ipadm_delete_addr(iph, addr);
                  (void) i_ipadm_send_ndpd_cmd(addr->ipadm_ifname, addr,
                      IPADM_DELETE_ADDRS);
          }
--- 105,115 ----
                          return (status);
                  }
          }
  
          /* Persist the intfid. */
!         status = i_ipadm_addr_persist(iph, addr, B_FALSE, i_flags, NULL);
          if (status != IPADM_SUCCESS) {
                  (void) i_ipadm_delete_addr(iph, addr);
                  (void) i_ipadm_send_ndpd_cmd(addr->ipadm_ifname, addr,
                      IPADM_DELETE_ADDRS);
          }