iwlwifi: adding triple stream rate support for MIMO3

Adding ht triple_stream_basic_rates for MIMO3 supports
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/iwlwifi/iwl-core.c

@@ -1117,6 +1117,7 @@ void iwl_connection_init_rx_config(struct iwl_priv *priv, int mode)
 	memcpy(priv->staging_rxon.wlap_bssid_addr, priv->mac_addr, ETH_ALEN);
 	priv->staging_rxon.ofdm_ht_single_stream_basic_rates = 0xff;
 	priv->staging_rxon.ofdm_ht_dual_stream_basic_rates = 0xff;
+	priv->staging_rxon.ofdm_ht_triple_stream_basic_rates = 0xff;
 }
 EXPORT_SYMBOL(iwl_connection_init_rx_config);