[ARM] Net: add macro to access driver specific netdev data.

Signed-off-by: Russell King <rmk@arm.linux.org.uk>

drivers/net/arm/ether1.h

@@ -19,6 +19,8 @@
 #define NET_DEBUG 0
 #endif
 
+#define priv(dev)	((struct ether1_priv *)netdev_priv(dev))
+
 /* Page register */
 #define REG_PAGE	(dev->base_addr + 0x00)
 

drivers/net/arm/ether3.h

@@ -22,6 +22,8 @@
 #define NET_DEBUG 	0
 #endif
 
+#define priv(dev)	((struct dev_priv *)netdev_priv(dev))
+
 /* Command register definitions & bits */
 #define REG_COMMAND		(dev->base_addr + 0x00)
 #define CMD_ENINTDMA		0x0001