ethernet: Convert ETHER_ADDR_LEN uses to ETH_ALEN

Reduce the number of #defines, use the normal #define from if_ether.h

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/8390/ne.c b/drivers/net/ethernet/8390/ne.c
index 1063093..f92ea2a 100644
--- a/drivers/net/ethernet/8390/ne.c
+++ b/drivers/net/ethernet/8390/ne.c
@@ -503,12 +503,12 @@
 #ifdef CONFIG_PLAT_MAPPI
 	outb_p(E8390_NODMA + E8390_PAGE1 + E8390_STOP,
 		ioaddr + E8390_CMD); /* 0x61 */
-	for (i = 0 ; i < ETHER_ADDR_LEN ; i++) {
+	for (i = 0; i < ETH_ALEN; i++) {
 		dev->dev_addr[i] = SA_prom[i]
 			= inb_p(ioaddr + EN1_PHYS_SHIFT(i));
 	}
 #else
-	for(i = 0; i < ETHER_ADDR_LEN; i++) {
+	for (i = 0; i < ETH_ALEN; i++) {
 		dev->dev_addr[i] = SA_prom[i];
 	}
 #endif