wireless: add VHT (802.11ac) definitions

Add the VHT definitions to be used by drivers supporting it.

Change-Id: Ia301cf72940cef19767f4f485a09c9afc12ae514
CRs-fixed: 452921

Signed-off-by: Mahesh Palivela <maheshp@posedge.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
1 file changed