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/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h
index 2aa0375..0b17934 100644
--- a/drivers/net/wireless/rt2x00/rt2800.h
+++ b/drivers/net/wireless/rt2x00/rt2800.h
@@ -1370,17 +1370,17 @@
 struct mac_wcid_entry {
 	u8 mac[6];
 	u8 reserved[2];
-} __attribute__ ((packed));
+} __packed;
 
 struct hw_key_entry {
 	u8 key[16];
 	u8 tx_mic[8];
 	u8 rx_mic[8];
-} __attribute__ ((packed));
+} __packed;
 
 struct mac_iveiv_entry {
 	u8 iv[8];
-} __attribute__ ((packed));
+} __packed;
 
 /*
  * MAC_WCID_ATTRIBUTE: