ibex_riscv_compliance: Adjust to simutil_verilator

Now that verilated_toplevel.h always generates the right class we don't
need to call VERILATED_TOPLEVEL() any more.

dv/riscv_compliance/ibex_riscv_compliance.cc

@@ -6,12 +6,9 @@
 
 #include <iostream>
 
-#include "Vibex_riscv_compliance.h"
 #include "verilated_toplevel.h"
 #include "verilator_sim_ctrl.h"
 
-VERILATED_TOPLEVEL(ibex_riscv_compliance)
-
 ibex_riscv_compliance *top;
 VerilatorSimCtrl *simctrl;
 

dv/riscv_compliance/ibex_riscv_compliance.core

@@ -56,7 +56,7 @@ targets:
 # -O
 #   Optimization levels have a large impact on the runtime performance of the
 #   simulation model. -O2 and -O3 are pretty similar, -Os is slower than -O2/-O3
-          - '-CFLAGS "-std=c++11 -Wall -DVM_TRACE_FMT_FST -g -O0"'
+          - '-CFLAGS "-std=c++11 -Wall -DVM_TRACE_FMT_FST -DTOPLEVEL_NAME=ibex_riscv_compliance -g -O0"'
           - '-LDFLAGS "-pthread -lutil"'
           - "-Wall"
           - "-Wno-PINCONNECTEMPTY"