Change all '$(...)' variable references into '${...}'
which makes the environment compatible with the hush shell.
WARNING: Support for the old '$(...)' syntax will be
discontinued in a later version.
diff --git a/include/configs/MVS1.h b/include/configs/MVS1.h
index 49bdc45..5995918 100644
--- a/include/configs/MVS1.h
+++ b/include/configs/MVS1.h
@@ -50,8 +50,8 @@
 #define	CONFIG_BOOTARGS		"root=/dev/mtdblock2 rw"
 #define CONFIG_BOOTCOMMAND						\
     "bootp; "                               				\
-    "setenv bootargs root=/dev/nfs rw nfsroot=$(serverip):$(rootpath) " \
-    "ip=$(ipaddr):$(serverip):$(gatewayip):$(netmask):$(hostname)::off; "   \
+    "setenv bootargs root=/dev/nfs rw nfsroot=${serverip}:${rootpath} " \
+    "ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:${hostname}::off; "   \
     "bootm"
 
 #define CONFIG_LOADS_ECHO	1	/* echo on for serial download	*/