PAN Configuration failure fix and enabler

If Bootstrap phase that PCS_MAX is reached at configure discovery state we now removing not working key's.

Change-Id: I902041c6bfab3b56d1c7e39de53f962849ccb70f

source/6LoWPAN/ws/ws_bootstrap.c

@@ -988,7 +988,6 @@ static void ws_bootstrap_pan_config_analyse(struct protocol_interface_info_entry
  ws_bs_ie_t ws_bs_ie;
  uint8_t *gtkhash_ptr;
 
-
  if (data->SrcPANId != cur->ws_info->network_pan_id) {
  tr_debug("Wrong PAN id r:%u own:%u", data->SrcPANId, cur->ws_info->network_pan_id);
  return;
@@ -1974,7 +1973,6 @@ static void ws_bootstrap_start_discovery(protocol_interface_info_entry_t *cur)
 // Start authentication
 static void ws_bootstrap_start_authentication(protocol_interface_info_entry_t *cur)
 {
- tr_debug("authentication start");
  // Set PAN ID and network name to controller
  ws_pae_controller_nw_info_set(cur, cur->ws_info->network_pan_id, cur->ws_info->network_name);
 
@@ -2538,7 +2536,12 @@ void ws_bootstrap_trickle_timer(protocol_interface_info_entry_t *cur, uint16_t t
  // send PAN Configuration solicit
  if (cur->ws_info->pas_requests > PCS_MAX) {
  // if MAX PCS sent restart discovery
+ uint8_t empty_key[32];
+ memset(empty_key, 0, 32);
  tr_debug("Restart???");
+ //Clear Key's
+ tr_debug("Remove not working GTK's");
+ ws_pae_controller_gtk_hash_update(cur, empty_key);
  ws_bootstrap_event_discovery_start(cur);
  return;
  }