XXXX introduce drv_sectohz

*** 76,86 ****
  #endif
  
  /*
   * Useful macros and typedefs
   */
! #define ONESEC          (drv_usectohz(1*1000000))
  #define ROUNDUP2(x, a)  (((x) + (a) - 1) & ~((a) - 1))
  
  /*
   * Our configuration
   */
--- 76,86 ----
  #endif
  
  /*
   * Useful macros and typedefs
   */
! #define ONESEC          drv_sectohz(1)
  #define ROUNDUP2(x, a)  (((x) + (a) - 1) & ~((a) - 1))
  
  /*
   * Our configuration
   */