net: Remove unnecessary driver assignments of ethtool_ringparam fields to zero

Per comments from Ben Hutchings on a previous patch, sweep the floors
a little removing unnecessary assignments of zero to fields of struct
ethtool_ringparam in driver code supporting ethtool -g.

Signed-off-by: Rick Jones <rick.jones2@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/3com/typhoon.c

@@ -1148,13 +1148,9 @@ static void
 typhoon_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ering)
 {
 	ering->rx_max_pending = RXENT_ENTRIES;
-	ering->rx_mini_max_pending = 0;
-	ering->rx_jumbo_max_pending = 0;
 	ering->tx_max_pending = TXLO_ENTRIES - 1;
 
 	ering->rx_pending = RXENT_ENTRIES;
-	ering->rx_mini_pending = 0;
-	ering->rx_jumbo_pending = 0;
 	ering->tx_pending = TXLO_ENTRIES - 1;
 }