TDLS : Protect the Adapter access with a mutex.

The adapter accesses by the TDLS code is not protected with the
concurrent access of the same by the cfg80211 callbacks (add / del
interface, change interface) and thus results in a kernel panic.This
commit provides the concurrent access to the adapter through a mutex.

Change-Id: I1bb9845097b40ba7d622950a119e934731c822b9
CRs-fixed: 546843
diff --git a/CORE/HDD/inc/wlan_hdd_tdls.h b/CORE/HDD/inc/wlan_hdd_tdls.h
index 04c2c79..152db64 100644
--- a/CORE/HDD/inc/wlan_hdd_tdls.h
+++ b/CORE/HDD/inc/wlan_hdd_tdls.h
@@ -184,7 +184,7 @@
 
 int wlan_hdd_tdls_set_sta_id(hdd_adapter_t *pAdapter, u8 *mac, u8 staId);
 
-hddTdlsPeer_t *wlan_hdd_tdls_find_peer(hdd_adapter_t *pAdapter, u8 *mac);
+hddTdlsPeer_t *wlan_hdd_tdls_find_peer(hdd_adapter_t *pAdapter, u8 *mac, tANI_BOOLEAN mutexLock);
 
 hddTdlsPeer_t *wlan_hdd_tdls_find_all_peer(hdd_context_t *pHddCtx, u8 *mac);
 
@@ -236,7 +236,7 @@
 
 u8 wlan_hdd_tdls_is_peer_progress(hdd_adapter_t *pAdapter, u8 *mac);
 
-hddTdlsPeer_t *wlan_hdd_tdls_is_progress(hdd_context_t *pHddCtx, u8* mac, u8 skip_self, tANI_BOOLEAN mutexLock);
+hddTdlsPeer_t *wlan_hdd_tdls_is_progress(hdd_context_t *pHddCtx, u8* mac, u8 skip_self);
 
 void wlan_hdd_tdls_set_mode(hdd_context_t *pHddCtx,
                             eTDLSSupportMode tdls_mode,