XXXX introduce drv_sectohz

*** 1981,1991 ****
                   */
                  emlxs_mb_fini(hba, NULL, MBX_HARDWARE_ERROR);
          }
  
          /* Pause here for the IO to settle */
!         delay(drv_usectohz(1000000));   /* 1 sec */
  
          /* Unregister all nodes */
          emlxs_ffcleanup(hba);
  
          if (hba->bus_type == SBUS_FC) {
--- 1981,1991 ----
                   */
                  emlxs_mb_fini(hba, NULL, MBX_HARDWARE_ERROR);
          }
  
          /* Pause here for the IO to settle */
!         delay(drv_sectohz(1));
  
          /* Unregister all nodes */
          emlxs_ffcleanup(hba);
  
          if (hba->bus_type == SBUS_FC) {