qcacld-3.0: Fix dot11mode setting in roaming session

The roaming FT session dot11mode value is set with self
configuration, peer capability from beacon is not checked to
set the value.
Check peer AP beacon capabilities along with self configuration
to set the dot11mode setting in FT session.

Change-Id: Idd0edafccc6664b3b0f41ba7ca3dd8d59094ff3e
CRs-Fixed: 2467600
1 file changed