[PATCH v2] hostapd: Disable VHT caps for STAs when no valid VHT MCS found

[Manoharan, Rajkumar]

> Disable VHT caps for STAs for which there is not even a single
> allowed MCS in any supported number of streams. i.e STA is
> advertising 3 (not supported) as VHT MCS rates for all supported
> streams.
> 
> Signed-off-by: Rajkumar Manoharan <rmanohar at qti.qualcomm.com>

Please ignore this patch. Will send v3 sooner. Sorry for the inconvenience.

-Rajkumar