Spacecast barebox nfsboot support

Change-Id: Id7ae66cb040b630e0d561019064ab711ef1e49c4
diff --git a/arch/arm/boards/optimus/env_spacecast/bin/nfsboot b/arch/arm/boards/optimus/env_spacecast/bin/nfsboot
index ceb3f77..b8da7f1 100644
--- a/arch/arm/boards/optimus/env_spacecast/bin/nfsboot
+++ b/arch/arm/boards/optimus/env_spacecast/bin/nfsboot
@@ -5,8 +5,8 @@
 mtdparts="${nor_device}:${nor_parts}"
 bootargs="${bootargs} mtdparts=${mtdparts}"
 bootargs="${bootargs} mac_addr=${eth0.ethaddr},${eth1.ethaddr},${eth2.ethaddr}"
-bootargs="${bootargs} root=${eth1.serverip}:/mr"
-bootargs="${bootargs} ip=${eth1.ipaddr}::${eth1.gateway}::rg:wan0:off"
+bootargs="${bootargs} root=${eth0.serverip}:/mr"
+bootargs="${bootargs} ip=${eth0.ipaddr}::${eth0.gateway}::spacecast:lan0:off"
 
-tftp gfrg200.img
-bootm gfrg200.img
+tftp gfsc100.img
+bootm gfsc100.img