iwlwifi: use watchdog timeout from hw_params

This is the version that can be modified, the
config params should be read-only.

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>
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index ade4134..116c785 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -2368,7 +2368,7 @@
 	if (timeout < 0 || timeout > IWL_MAX_WD_TIMEOUT)
 		timeout = IWL_DEF_WD_TIMEOUT;
 
-	cfg(priv)->base_params->wd_timeout = timeout;
+	hw_params(priv).wd_timeout = timeout;
 	iwl_setup_watchdog(priv);
 	return count;
 }