dm9000: Remove unnecessary memset of netdev private data

The memory for the private data is allocated using kzalloc in
alloc_etherdev (or alloc_netdev_mq respectively) so there is no need to
set it to 0 again.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/dm9000.c

diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index a2bc415..60de176 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -1281,7 +1281,6 @@
 
 	/* setup board info structure */
 	db = netdev_priv(ndev);
-	memset(db, 0, sizeof(*db));
 
 	db->dev = &pdev->dev;
 	db->ndev = ndev;