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/wan/hd64570.h b/drivers/net/wan/hd64570.h
index 3839662..e4f539a 100644
--- a/drivers/net/wan/hd64570.h
+++ b/drivers/net/wan/hd64570.h
@@ -153,7 +153,7 @@
 	u16 len;		/* Data Length */
 	u8 stat;		/* Status */
 	u8 unused;		/* pads to 2-byte boundary */
-}__attribute__ ((packed)) pkt_desc;
+}__packed pkt_desc;
 
 
 /* Packet Descriptor Status bits */