iwlwifi: remove max_txq_num from hw_params

This can be used directly from the config now.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

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

@@ -1345,7 +1345,7 @@ void iwl_bg_watchdog(unsigned long data)
 		return;
 
 	/* monitor and check for stuck queues */
-	for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++)
+	for (cnt = 0; cnt < cfg(priv)->base_params->num_of_queues; cnt++)
 		if (iwl_check_stuck_queue(priv, cnt))
 			return;