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/wireless/rt2x00/rt61pci.h b/drivers/net/wireless/rt2x00/rt61pci.h
index df80f1a..e2e728a 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.h
+++ b/drivers/net/wireless/rt2x00/rt61pci.h
@@ -153,13 +153,13 @@
 	u8 key[16];
 	u8 tx_mic[8];
 	u8 rx_mic[8];
-} __attribute__ ((packed));
+} __packed;
 
 struct hw_pairwise_ta_entry {
 	u8 address[6];
 	u8 cipher;
 	u8 reserved;
-} __attribute__ ((packed));
+} __packed;
 
 /*
  * Other on-chip shared memory space.