wlan: Support to disable 11ac dynamically.

For some of the countries device should not be in 11ac mode.
When new country code is set through COUNTRY IOCTL,
host driver will check whether 11ac needs to be disabled for this
country and it changes mode accordingly which would take effect in
successive association request unless driver is unloaded.

CRs-fixed: 473375
Change-Id: I427e6a1052958ed8ae638935fd7b5539715e6c1e
diff --git a/CORE/HDD/inc/wlan_hdd_assoc.h b/CORE/HDD/inc/wlan_hdd_assoc.h
index b056d28..f6aac61 100644
--- a/CORE/HDD/inc/wlan_hdd_assoc.h
+++ b/CORE/HDD/inc/wlan_hdd_assoc.h
@@ -113,6 +113,9 @@
    
     /** Remembers authenticated state */
    v_U8_t uIsAuthenticated;
+
+   /** Dot11Mode */
+   tANI_U32 dot11Mode;
    
 }connection_info_t;
 /*Forward declaration of Adapter*/