add opt_awi.h to define AWI_DEBUG, AWI_WEP_ARC4.
show the firmware version at attach.
create a framework to support WEP (encryption code is not included for now).
a new wiconfig compatible ioctl interface replaced the awictl interface.
fix memory leak in selecting AP
fix bugs in ESSID selection
changes from FreeBSD-current by Warner Losh:
revision 1.2
date: 2000/04/17 22:58:15; author: imp; state: Exp; lines: +16 -1
Provide mem* for compat with NetBSD to fix LINT
fixes from FreeBSD-current by Guido van Rooij:
revision 1.4
date: 2000/05/29 19:58:10; author: guido; state: Exp; lines: +5 -2
Fix a panic resulting from an obvious null pointer deref.
Apparently some other panics still exist in this driver, but with
this fix, it was at least possible to run the Nokia card at SANE 2000.
