5042 stop using deprecated atomic functions

*** 371,382 ****
                                      "LSO packet: TX Descriptor ring is full: "
                                      "channel %d",
                                      tx_ring_p->tdc));
                                  goto nxge_start_fail_lso;
                          } else {
!                                 (void) cas32((uint32_t *)&tx_ring_p->queueing,
!                                     0, 1);
                                  tdc_stats->tx_no_desc++;
  
                                  if (isLDOMservice(nxgep)) {
                                          tx_ring_p->tx_ring_busy = B_FALSE;
                                          if (tx_ring_p->tx_ring_offline) {
--- 371,382 ----
                                      "LSO packet: TX Descriptor ring is full: "
                                      "channel %d",
                                      tx_ring_p->tdc));
                                  goto nxge_start_fail_lso;
                          } else {
!                                 (void) atomic_cas_32(
!                                     (uint32_t *)&tx_ring_p->queueing, 0, 1);
                                  tdc_stats->tx_no_desc++;
  
                                  if (isLDOMservice(nxgep)) {
                                          tx_ring_p->tx_ring_busy = B_FALSE;
                                          if (tx_ring_p->tx_ring_offline) {