mv643xx_eth: fix NAPI weight being > 64

3.10-rc1 issues the following warning:

netif_napi_add() called with weight 128 on device eth%d

This patch reduce the weight to 64, using NAPI_POLL_WEIGHT.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/marvell/mv643xx_eth.c b/drivers/net/ethernet/marvell/mv643xx_eth.c
index d0afeea..8f63c36 100644
--- a/drivers/net/ethernet/marvell/mv643xx_eth.c
+++ b/drivers/net/ethernet/marvell/mv643xx_eth.c
@@ -2745,7 +2745,7 @@
 
 	INIT_WORK(&mp->tx_timeout_task, tx_timeout_task);
 
-	netif_napi_add(dev, &mp->napi, mv643xx_eth_poll, 128);
+	netif_napi_add(dev, &mp->napi, mv643xx_eth_poll, NAPI_POLL_WEIGHT);
 
 	init_timer(&mp->rx_oom);
 	mp->rx_oom.data = (unsigned long)mp;