add cleanup script | fix verilator unknown bin

.circleci/build-verilator.sh

@@ -12,6 +12,8 @@ source $SCRIPT_DIR/defaults.sh
 # call clean on exit
 trap clean EXIT
 
+run_script $LOCAL_CHIPYARD_DIR/.circleci/clean-old-files.sh
+
 if [ ! -d "$LOCAL_VERILATOR_DIR" ]; then
     # set stricthostkeychecking to no (must happen before rsync)
     run "echo \"Ping $SERVER\""
@@ -28,4 +30,6 @@ if [ ! -d "$LOCAL_VERILATOR_DIR" ]; then
     mkdir -p $LOCAL_VERILATOR_DIR
     copy $SERVER:$REMOTE_CHIPYARD_DIR/  $LOCAL_CHIPYARD_DIR
     copy $SERVER:$REMOTE_VERILATOR_DIR/ $LOCAL_VERILATOR_DIR
+
+    cp -r $LOCAL_VERILATOR_DIR/install/bin/* $LOCAL_VERILATOR_DIR/install/share/verilator/bin/.
 fi