iwlagn: Rename iwlcore prefix

There are number of functions with "iwlcore_" prefix which not feels right,
rename those to "iwl_".

No functional changes by making the renames.

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-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 33894dd..7f50d9d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -3459,7 +3459,7 @@
 		goto err;
 	}
 
-	ret = iwlcore_init_geos(priv);
+	ret = iwl_init_geos(priv);
 	if (ret) {
 		IWL_ERR(priv, "initializing geos failed: %d\n", ret);
 		goto err_free_channel_map;
@@ -3477,7 +3477,7 @@
 static void iwl_uninit_drv(struct iwl_priv *priv)
 {
 	iwl_calib_free_results(priv);
-	iwlcore_free_geos(priv);
+	iwl_free_geos(priv);
 	iwl_free_channel_map(priv);
 	kfree(priv->scan_cmd);
 	kfree(priv->beacon_cmd);