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/hso.c b/drivers/net/usb/hso.c
index 0a3c41f..c8570b0 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -211,7 +211,7 @@
 	u16 wIndex;
 	u16 wLength;
 	u16 UART_state_bitmap;
-} __attribute__((packed));
+} __packed;
 
 struct hso_tiocmget {
 	struct mutex mutex;