XXXX introduce drv_sectohz

*** 174,184 ****
   *
   */
  #define NVPFLUSH_DELAY          10
  #define NVPDAEMON_IDLE_TIME     60
  
! #define TICKS_PER_SECOND        (drv_usectohz(1000000))
  
  /*
   * Tunables
   */
  int kfio_report_error = 0;              /* kernel file i/o operations */
--- 174,184 ----
   *
   */
  #define NVPFLUSH_DELAY          10
  #define NVPDAEMON_IDLE_TIME     60
  
! #define TICKS_PER_SECOND        drv_sectohz(1)
  
  /*
   * Tunables
   */
  int kfio_report_error = 0;              /* kernel file i/o operations */