iwlwifi: move find station to iwl-sta.c

This patch move iwl_find_station into iwl-sta.c file

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-4965-rs.c b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
index b608e1c..557912a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965-rs.c
@@ -2190,7 +2190,7 @@
 
 	if ((priv->iw_mode == IEEE80211_IF_TYPE_IBSS) &&
 	    !lq_sta->ibss_sta_added) {
-		u8 sta_id = iwl4965_hw_find_station(priv, hdr->addr1);
+		u8 sta_id = iwl_find_station(priv, hdr->addr1);
 		DECLARE_MAC_BUF(mac);
 
 		if (sta_id == IWL_INVALID_STATION) {
@@ -2268,7 +2268,7 @@
 
 	lq_sta->ibss_sta_added = 0;
 	if (priv->iw_mode == IEEE80211_IF_TYPE_AP) {
-		u8 sta_id = iwl4965_hw_find_station(priv, sta->addr);
+		u8 sta_id = iwl_find_station(priv, sta->addr);
 		DECLARE_MAC_BUF(mac);
 
 		/* for IBSS the call are from tasklet */