iwlwifi: add config_ap lib op

add config_ap lib op to iwlwifi and iwl3945 in preparation
of future 3945 porting actions.

Signed-off-by: Abhijeet Kolekar <abhijeet.kolekar@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/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index c5644a5..ad6f5eb 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -3378,7 +3378,7 @@
 	return NETDEV_TX_OK;
 }
 
-static void iwl3945_config_ap(struct iwl_priv *priv)
+void iwl3945_config_ap(struct iwl_priv *priv)
 {
 	int rc = 0;
 
@@ -3515,7 +3515,7 @@
 		memcpy(priv->bssid, conf->bssid, ETH_ALEN);
 
 		if (priv->iw_mode == NL80211_IFTYPE_AP)
-			iwl3945_config_ap(priv);
+			iwlcore_config_ap(priv);
 		else {
 			rc = iwlcore_commit_rxon(priv);
 			if ((priv->iw_mode == NL80211_IFTYPE_STATION) && rc)