/*
Stop Beacon.
- Vista add a Adhoc profile, HW radio off untill OID_DOT11_RESET_REQUEST
+ Vista add a Adhoc profile, HW radio off until OID_DOT11_RESET_REQUEST
Driver would set MSR=NO_LINK, then HW Radio ON, MgntQueue Stuck.
Because Bcn DMA isn't complete, mgnt queue would stuck until Bcn packet send.