[PATCH hal 2/2] add a WWAN (Wireless WAN/Cellular) killswitch for Dell laptops

[Danny Kukawka]

On Sonntag, 5. August 2007, Faidon Liambotis wrote:
> HAL is already using dellWirelessCtl to control Dell's kill switch for
> Bluetooth and WLAN. The same utility allows the switching of the WWAN
> (Wireless WAN aka Cellular) cards shipped in some laptops.
>
> Include this in HAL, mostly for completness right now. It may get more
> useful in the feature; other vendors have began shipping WWAN too.

Commited to git master. Change the scripts to work the same way as 
WLAN/Bluetooth on Dell machines.

Danny