kern: generate fatal error on panic

libraries/libmesosphere/include/mesosphere/board/nintendo/nx/kern_k_system_control.hpp

@@ -63,7 +63,7 @@ namespace ams::kern::board::nintendo::nx {
 
             /* Power management. */
             static void SleepSystem();
-            static NORETURN void StopSystem();
+            static NORETURN void StopSystem(void *arg = nullptr);
 
             /* User access. */
             static void CallSecureMonitorFromUser(ams::svc::lp64::SecureMonitorArguments *args);

libraries/libmesosphere/include/mesosphere/kern_build_config.hpp

@@ -28,4 +28,5 @@
 #define MESOSPHERE_ENABLE_DEBUG_PRINT
 #endif
 
-#define MESOSPHERE_BUILD_FOR_TRACING
+//#define MESOSPHERE_BUILD_FOR_TRACING
+#define MESOSPHERE_ENABLE_PANIC_REGISTER_DUMP