Fix up some fdt issues on 8544DS

It looks like we had a merge issue that duplicated a bit of code
in ft_board_setup.  Also, we need to set CONFIG_HAS_ETH0 to get
the MAC address properly set in the device tree on boot for TSEC1

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/configs/MPC8544DS.h b/include/configs/MPC8544DS.h
index 7863447..fcb92fa 100644
--- a/include/configs/MPC8544DS.h
+++ b/include/configs/MPC8544DS.h
@@ -472,6 +472,7 @@
 
 /* The mac addresses for all ethernet interface */
 #if defined(CONFIG_TSEC_ENET)
+#define CONFIG_HAS_ETH0
 #define CONFIG_ETHADDR	00:E0:0C:02:00:FD
 #define CONFIG_HAS_ETH1
 #define CONFIG_ETH1ADDR	00:E0:0C:02:01:FD