alx: switch to per queue data structures

Remove the tx and rx queue structures from the alx_priv structure and switch
everything over to the queue pointers in the alx_napi structure.

Based on the downstream driver at github.com/qca/alx
Signed-off-by: Tobias Regnery <tobias.regnery@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/atheros/alx/alx.h

@@ -113,7 +113,6 @@ struct alx_priv {
 	/* msi-x vectors */
 	int num_vec;
 	struct msix_entry *msix_entries;
-	char irq_lbl[IFNAMSIZ + 8];
 
 	/* all descriptor memory */
 	struct {
@@ -135,10 +134,6 @@ struct alx_priv {
 	unsigned int rx_ringsz;
 	unsigned int rxbuf_size;
 
-	struct napi_struct napi;
-	struct alx_tx_queue txq;
-	struct alx_rx_queue rxq;
-
 	struct work_struct link_check_wk;
 	struct work_struct reset_wk;