* keep watchdog on shorter leash, and just do
   standard irq processing when it barks.  this
   means I can use a somewhat iffy vt8235 mobo.

 * updates to the driverfs debug output, including
   using S_IRUGO so anyone can gawk.

 * some updates, mostly to use a new hcd_to_bus(),
   so this version also compiles on a (slightly
   patched) 2.4.20-pre5 kernel.  (*)