kern: refactor smc helpers to share more common logic

libraries/libmesosphere/source/kern_k_system_control_base.cpp

@@ -78,7 +78,7 @@ namespace ams::kern {
 
     void KSystemControlBase::Init::CpuOnImpl(u64 core_id, uintptr_t entrypoint, uintptr_t arg) {
         #if defined(ATMOSPHERE_ARCH_ARM64)
-        MESOSPHERE_INIT_ABORT_UNLESS((::ams::kern::arch::arm64::smc::CpuOn<0, false>(core_id, entrypoint, arg)) == 0);
+        MESOSPHERE_INIT_ABORT_UNLESS((::ams::kern::arch::arm64::smc::CpuOn<0>(core_id, entrypoint, arg)) == 0);
         #else
         AMS_INFINITE_LOOP();
         #endif