iwlwifi: some clean up in transport layer

Remove outdated iwlagn prefix to a few functions and fix comments
that were not accurate.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 3f11b17..d44fa2a 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -216,7 +216,7 @@
 	rxq->free_count = 0;
 	spin_unlock_irqrestore(&rxq->lock, flags);
 
-	iwlagn_rx_replenish(trans);
+	iwl_rx_replenish(trans);
 
 	iwl_trans_rx_hw_init(trans, rxq);