configs: mx53loco: Remove CONFIG_HAS_ETH1

mx53loco has only one Ethernet port, so remove CONFIG_HAS_ETH1 option.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h
index 2ecfbd6..0658dd3 100644
--- a/include/configs/mx53loco.h
+++ b/include/configs/mx53loco.h
@@ -58,7 +58,6 @@
 #define CONFIG_DOS_PARTITION
 
 /* Eth Configs */
-#define CONFIG_HAS_ETH1
 #define CONFIG_MII
 
 #define CONFIG_FEC_MXC