libertas private ioctl handlers

[Arnd Bergmann]

I tried to get an overview of which of the nonstandard ioctl numbers
that the driver defines (there are roughly 50 of them!) are actually
used, so we can get rid of the others.

Now it turns out that there are only six numbers that are both defined
and used in wlanconfig.c:

WLANEXTSCAN
WLAN_GET_SCAN_TABLE
WLAN_SET_USER_SCAN
WLANSLEEPPARAMS
WLANHOSTCMD
WLANREGRDWR

There are also five ioctls that wlanconfig tries to call but that
don't seem to be implemented at all:

WLAN_GET_RATE
WLANCMD52RDWR
WLANCMD53RDWR
WLANREGCFRDWR
"bca-ts"

Can anyone explain this mismatch? Can we just remove all the functions
that are not used in wlanconfig, or is there another tool that we
need?

	Arnd <><