XXXX introduce drv_sectohz

*** 4264,4274 ****
  
  void
  stmf_do_ilu_timeouts(stmf_i_lu_t *ilu)
  {
          clock_t l = ddi_get_lbolt();
!         clock_t ps = drv_usectohz(1000000);
          stmf_i_scsi_task_t *itask;
          scsi_task_t *task;
          uint32_t to;
  
          mutex_enter(&ilu->ilu_task_lock);
--- 4264,4274 ----
  
  void
  stmf_do_ilu_timeouts(stmf_i_lu_t *ilu)
  {
          clock_t l = ddi_get_lbolt();
!         clock_t ps = drv_sectohz(1);
          stmf_i_scsi_task_t *itask;
          scsi_task_t *task;
          uint32_t to;
  
          mutex_enter(&ilu->ilu_task_lock);