Change all '$(...)' variable references into '${...}'
which makes the environment compatible with the hush shell.
WARNING: Support for the old '$(...)' syntax will be
discontinued in a later version.
diff --git a/include/configs/CPU87.h b/include/configs/CPU87.h
index c50870f..a23d7e5 100644
--- a/include/configs/CPU87.h
+++ b/include/configs/CPU87.h
@@ -122,8 +122,8 @@
#undef CONFIG_BOOTARGS
#define CONFIG_BOOTCOMMAND \
"bootp; " \
- "setenv bootargs root=/dev/nfs rw nfsroot=$(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"
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