use example config for hwacha (otherwise use other hwacha params)

.circleci/do-rtl-build.sh

@@ -1,9 +1,7 @@
 #!/bin/bash
 
 # create the different verilator builds
-# 1st argument is the subproject
-# 2nd argument is the config package (can be unspecified)
-# 3nd argument is the config (can be unspecified)
+# argument is the make command string
 
 # turn echo on and error on earliest command
 set -ex
@@ -17,16 +15,6 @@ cd sims/verisim
 make clean
 
 # run the particular build command
-if [ $# -ne 0 ]; then
-  if [ $# -eq 1 ]; then
-    make SUB_PROJECT=$1 JAVA_ARGS="-Xmx2G -Xss8M"
-  elif [ $# -eq 3 ]; then
-    make SUB_PROJECT=$1 CONFIG_PACKAGE=$2 CONFIG=$3 JAVA_ARGS="-Xmx2G -Xss8M"
-  else
-    exit 1 # wrong amount of args
-  fi
-else
-  exit 1 # need to provide at least the arg
-fi
+make JAVA_ARGS="-Xmx2G -Xss8M" $@
 
 rm -rf ../../project