make clean for vcs

Author: shtaxxx

tests/simulation/simulator/vcs/Makefile

@@ -27,3 +27,4 @@ check:
 .PHONY: clean
 clean:
 	rm -rf *.pyc __pycache__ parsetab.py .cache *.out *.png *.dot tmp.v uut.vcd
+	rm -rf *.out.daidir csrc ucli.key