[wrt] Allow iwinfo nl80211 to scan without vinterface
[wrt] Allow iwinfo nl80211 to scan without vinterface

CapnBry/HeaterMeter,dwright134/HeaterMeter,shmick/HeaterMeter,shmick/HeaterMeter,kdakers80/HeaterMeter,dwright134/HeaterMeter,CapnBry/HeaterMeter,kdakers80/HeaterMeter,CapnBry/HeaterMeter,shmick/HeaterMeter,CapnBry/HeaterMeter,dwright134/HeaterMeter,kdakers80/HeaterMeter,shmick/HeaterMeter,dwright134/HeaterMeter,CapnBry/HeaterMeter,shmick/HeaterMeter,dwright134/HeaterMeter,shmick/HeaterMeter,kdakers80/HeaterMeter,kdakers80/HeaterMeter,dwright134/HeaterMeter,shmick/HeaterMeter,CapnBry/HeaterMeter,kdakers80/HeaterMeter,CapnBry/HeaterMeter