net: chelsio: cxgb3: Fix wrong function name in comments

Fixes the following W=1 kernel build warning(s):

 drivers/net/ethernet/chelsio/cxgb3/sge.c:677: warning: expecting prototype for free_qset(). Prototype was for t3_free_qset() instead
 drivers/net/ethernet/chelsio/cxgb3/sge.c:1266: warning: expecting prototype for eth_xmit(). Prototype was for t3_eth_xmit() instead

Cc: Raju Rangoju <rajur@chelsio.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/chelsio/cxgb3/sge.c

@@ -665,7 +665,7 @@ static void t3_reset_qset(struct sge_qset *q)
 
 
 /**
- *	free_qset - free the resources of an SGE queue set
+ *	t3_free_qset - free the resources of an SGE queue set
  *	@adapter: the adapter owning the queue set
  *	@q: the queue set
  *
@@ -1256,7 +1256,7 @@ static inline void t3_stop_tx_queue(struct netdev_queue *txq,
 }
 
 /**
- *	eth_xmit - add a packet to the Ethernet Tx queue
+ *	t3_eth_xmit - add a packet to the Ethernet Tx queue
  *	@skb: the packet
  *	@dev: the egress net device
  *