i810-tco: Upgrade to version 0.05 .

Fix possible timer_alive race, add expect close support,
clean up ioctls (WDIOC_GETSTATUS, WDIOC_GETBOOTSTATUS and
WDIOC_SETOPTIONS), made i810tco_getdevice __init,
removed boot_status, removed tco_timer_read,
added support for 82801DB and 82801E chipset, general cleanup.