iwlwifi: unify iwl_setup_rxon_timing

This patch unifies setup_rxon_timing funcions
of AGN and 3945. HWs differ only in supported maximal
beacon interval. This is reflected in hw_paras.max_beacon_itrvl

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 356d4e3..a658410 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -554,6 +554,7 @@
 void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
 					   struct iwl_rx_mem_buffer *rxb);
 
+void iwl_setup_rxon_timing(struct iwl_priv *priv);
 static inline int iwl_send_rxon_assoc(struct iwl_priv *priv)
 {
 	return priv->cfg->ops->hcmd->rxon_assoc(priv);