pc386 set CLOCK_DRIVER_ISRS_PER_TICK to a
string rather than a numeric value. Add
CLOCK_DRIVER_ISRS_PER_TICK_VALUE and
other clean up on the clock driver.
This field is unused except for special case simulator clock drivers.
In these places use an alternative. Add and use
_Thread_Set_global_exit_status() and _Thread_Get_global_exit_status().
Script does what is expected and tries to do it as
smartly as possible.
+ remove occurrences of two blank comment lines
next to each other after Id string line removed.
+ remove entire comment blocks which only exited to
contain CVS Ids
+ If the processing left a blank line at the top of
a file, it was removed.
The prototype for the clock driver tick isr varies based upon
the interrupt model used by the port. This driver was checking
solely upon a flag set by the BSP.
