Kernel/Events: Log an error when trying to create Pulse events and timers.

Related to #1904

src/core/hle/kernel/timer.cpp

@@ -31,6 +31,11 @@ SharedPtr<Timer> Timer::Create(ResetType reset_type, std::string name) {
     timer->interval_delay = 0;
     timer->callback_handle = timer_callback_handle_table.Create(timer).MoveFrom();
 
+    if (reset_type == ResetType::Pulse) {
+        LOG_ERROR(Kernel, "Unimplemented timer reset type Pulse");
+        UNIMPLEMENTED();
+    }
+
     return timer;
 }