drivers/net: use __packed annotation

cleanup patch.

Use new __packed annotation in drivers/net/

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sky2.h b/drivers/net/sky2.h
index 084eff2..61891a6 100644
--- a/drivers/net/sky2.h
+++ b/drivers/net/sky2.h
@@ -2161,21 +2161,21 @@
 	__le16	length;	/* also vlan tag or checksum start */
 	u8	ctrl;
 	u8	opcode;
-} __attribute((packed));
+} __packed;
 
 struct sky2_rx_le {
 	__le32	addr;
 	__le16	length;
 	u8	ctrl;
 	u8	opcode;
-} __attribute((packed));
+} __packed;
 
 struct sky2_status_le {
 	__le32	status;	/* also checksum */
 	__le16	length;	/* also vlan tag */
 	u8	css;
 	u8	opcode;
-} __attribute((packed));
+} __packed;
 
 struct tx_ring_info {
 	struct sk_buff	*skb;