XXXX introduce drv_sectohz

*** 367,377 ****
                          devid_discovery_postboot--;
                          return (1);
                  }
                  if (devid_discovery_secs > 0) {
                          if ((ddi_get_lbolt() - devid_last_discovery) >
!                             drv_usectohz(devid_discovery_secs * MICROSEC)) {
                                  return (1);
                          }
                  }
          }
  
--- 367,377 ----
                          devid_discovery_postboot--;
                          return (1);
                  }
                  if (devid_discovery_secs > 0) {
                          if ((ddi_get_lbolt() - devid_last_discovery) >
!                             drv_sectohz(devid_discovery_secs)) {
                                  return (1);
                          }
                  }
          }