5042 stop using deprecated atomic functions

*** 3676,3686 ****
           * Atomically set shw mask bit
           */
          do {
                  shw_mask = hmeblkp->hblk_shw_mask;
                  newshw_mask = shw_mask | (1 << vshift);
!                 newshw_mask = cas32(&hmeblkp->hblk_shw_mask, shw_mask,
                      newshw_mask);
          } while (newshw_mask != shw_mask);
  
          SFMMU_HASH_UNLOCK(hmebp);
  
--- 3676,3686 ----
           * Atomically set shw mask bit
           */
          do {
                  shw_mask = hmeblkp->hblk_shw_mask;
                  newshw_mask = shw_mask | (1 << vshift);
!                 newshw_mask = atomic_cas_32(&hmeblkp->hblk_shw_mask, shw_mask,
                      newshw_mask);
          } while (newshw_mask != shw_mask);
  
          SFMMU_HASH_UNLOCK(hmebp);
  
*** 11676,11686 ****
                   */
                  do {
                          shw_mask = shw_hblkp->hblk_shw_mask;
                          ASSERT(shw_mask & (1 << vshift));
                          newshw_mask = shw_mask & ~(1 << vshift);
!                         newshw_mask = cas32(&shw_hblkp->hblk_shw_mask,
                              shw_mask, newshw_mask);
                  } while (newshw_mask != shw_mask);
                  hmeblkp->hblk_shadow = NULL;
          }
  
--- 11676,11686 ----
                   */
                  do {
                          shw_mask = shw_hblkp->hblk_shw_mask;
                          ASSERT(shw_mask & (1 << vshift));
                          newshw_mask = shw_mask & ~(1 << vshift);
!                         newshw_mask = atomic_cas_32(&shw_hblkp->hblk_shw_mask,
                              shw_mask, newshw_mask);
                  } while (newshw_mask != shw_mask);
                  hmeblkp->hblk_shadow = NULL;
          }
  
*** 15755,15765 ****
                   */
                  do {
                          shw_mask = shw_hblkp->hblk_shw_mask;
                          ASSERT(shw_mask & (1 << vshift));
                          newshw_mask = shw_mask & ~(1 << vshift);
!                         newshw_mask = cas32(&shw_hblkp->hblk_shw_mask,
                              shw_mask, newshw_mask);
                  } while (newshw_mask != shw_mask);
                  hmeblkp->hblk_shadow = NULL;
          }
          hmeblkp->hblk_shw_bit = 0;
--- 15755,15765 ----
                   */
                  do {
                          shw_mask = shw_hblkp->hblk_shw_mask;
                          ASSERT(shw_mask & (1 << vshift));
                          newshw_mask = shw_mask & ~(1 << vshift);
!                         newshw_mask = atomic_cas_32(&shw_hblkp->hblk_shw_mask,
                              shw_mask, newshw_mask);
                  } while (newshw_mask != shw_mask);
                  hmeblkp->hblk_shadow = NULL;
          }
          hmeblkp->hblk_shw_bit = 0;