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/rtl818x/rtl8180.h b/drivers/net/wireless/rtl818x/rtl8180.h
index 4baf0cf..3052331 100644
--- a/drivers/net/wireless/rtl818x/rtl8180.h
+++ b/drivers/net/wireless/rtl818x/rtl8180.h
@@ -36,7 +36,7 @@
 	u8 agc;
 	u8 flags2;
 	u32 reserved[2];
-} __attribute__ ((packed));
+} __packed;
 
 struct rtl8180_rx_desc {
 	__le32 flags;
@@ -45,7 +45,7 @@
 		__le32 rx_buf;
 		__le64 tsft;
 	};
-} __attribute__ ((packed));
+} __packed;
 
 struct rtl8180_tx_ring {
 	struct rtl8180_tx_desc *desc;