. kill BR_LLC_LOCK, not needed anymore
. kill net/core/ext8022.c, not needed anymore as all
  UI 802.2 protocols now use the new LLC stack
. use struct list_head in datalink_proto (only needed by psnap)
. make IPX and Appletalk use datalink_proto->request
. make CONFIG_ATALK and CONFIG_IPX dependent on CONFIG_LLC
. fix __FUNCTION__ usage in LLC