Fix the Makefile in smart_run

[Warlockch]

In the Makefile in smart_run directory, the last five line lack the other half of "
@echo " make runcase CASE=coremark SIM=verilator THREADS=8 : run case 'coremark' without dump(by verilator) with 8 threads;
@echo " make cleanVerilator : clean the verilator generated file before Verilator operations;
@echo " make compile SIM=verilator DUMP=on THREADS=8 : run compile with dump (by Verilator with dump) with 8 threads;
@echo " make buildVerilator : run build executable file with Verilator;
@echo " make runVerilator : run simulation file with Verilator;