ath79: fix label_mac for NEC Aterm WG1200CR

On NEC Aterm WG1200CR, the MAC address for WAN is printed in the label
on the case, not LAN.
This patch fixes this issue.

Fixes: 50fdc0374b ("ath79: provide label MAC address")

Signed-off-by: INAGAKI Hiroshi <[email protected]>

target/linux/ath79/generic/base-files/etc/board.d/02_network

@@ -525,8 +525,7 @@ ath79_setup_macs()
 		;;
 	dlink,dir-842-c1|\
 	dlink,dir-842-c2|\
-	dlink,dir-842-c3|\
-	nec,wg1200cr)
+	dlink,dir-842-c3)
 		lan_mac=$(mtd_get_mac_ascii devdata "lanmac")
 		wan_mac=$(mtd_get_mac_ascii devdata "wanmac")
 		label_mac=$lan_mac
@@ -587,6 +586,11 @@ ath79_setup_macs()
 		base_mac=$(mtd_get_mac_binary u-boot 0x1fc00)
 		wan_mac=$(macaddr_add "$base_mac" 1)
 		;;
+	nec,wg1200cr)
+		lan_mac=$(mtd_get_mac_ascii devdata "lanmac")
+		wan_mac=$(mtd_get_mac_ascii devdata "wanmac")
+		label_mac=$wan_mac
+		;;
 	nec,wg800hp)
 		lan_mac=$(mtd_get_mac_text board_data 0x280)
 		wan_mac=$(mtd_get_mac_text board_data 0x480)