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/usb/net1080.c b/drivers/net/usb/net1080.c
index 961a8ed..ba72a72 100644
--- a/drivers/net/usb/net1080.c
+++ b/drivers/net/usb/net1080.c
@@ -64,13 +64,13 @@
 	// all else is optional, and must start with:
 	// __le16	vendorId;	// from usb-if
 	// __le16	productId;
-} __attribute__((__packed__));
+} __packed;
 
 #define	PAD_BYTE	((unsigned char)0xAC)
 
 struct nc_trailer {
 	__le16	packet_id;
-} __attribute__((__packed__));
+} __packed;
 
 // packets may use FLAG_FRAMING_NC and optional pad
 #define FRAMED_SIZE(mtu) (sizeof (struct nc_header) \