smp:fix sim build error under config CONFIG_SMP

CC:  sim/sim_smpsignal.c init/nx_smpstart.c: In function ‘nx_idle_trampoline’:
init/nx_smpstart.c:68:21: warning: unused variable ‘tcb’ [-Wunused-variable]
   68 |   FAR struct tcb_s *tcb = this_task_inirq();
      |                     ^~~
sim/sim_smpsignal.c: In function ‘host_cpu_started’:
sim/sim_smpsignal.c:271:17: warning: unused variable ‘tcb’ [-Wunused-variable]
  271 |   struct tcb_s *tcb = this_task();

sim/sim_smpsignal.c:249:33: error: ‘cpu’ undeclared (first use in this function)
  249 |   restore_critical_section(tcb, cpu);
      |                                 ^~~

Signed-off-by: buxiasen <buxiasen@xiaomi.com>

arch/sim/src/sim/sim_smpsignal.c

@@ -244,10 +244,6 @@ int up_cpu_paused_restore(void)
 
   nxsched_resume_scheduler(tcb);
 
-  /* Restore the cpu lock */
-
-  restore_critical_section(tcb, this_cpu());
-
   /* Then switch contexts.  Any necessary address environment changes
    * will be made when the interrupt returns.
    */
@@ -267,7 +263,7 @@ int up_cpu_paused_restore(void)
 
 void host_cpu_started(void)
 {
-#ifdef CONFIG_SCHED_INSTRUMENTATION
+#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
   struct tcb_s *tcb = this_task();
 
   /* Notify that this CPU has started */

sched/init/nx_smpstart.c

@@ -66,7 +66,7 @@
 
 void nx_idle_trampoline(void)
 {
-#ifdef CONFIG_SCHED_INSTRUMENTATION
+#ifdef CONFIG_SCHED_INSTRUMENTATION_SWITCH
   FAR struct tcb_s *tcb = this_task();
 
   /* Announce that the IDLE task has started */