Initial idle skip implementation

include/kernel/kernel.hpp

@@ -95,6 +95,7 @@ public:
 	void releaseMutex(Mutex* moo);
 	void cancelTimer(Timer* timer);
 	void signalTimer(Handle timerHandle, Timer* timer);
+	u64 getWakeupTick(s64 ns);
 
 	// Wake up the thread with the highest priority out of all threads in the waitlist
 	// Returns the index of the woken up thread

include/kernel/kernel_types.hpp

@@ -123,6 +123,7 @@ struct Thread {
     bool waitAll;
     // For WaitSynchronizationN: The "out" pointer
     u32 outPointer;
+	u64 wakeupTick;
 
     // Thread context used for switching between threads
     std::array<u32, 16> gprs;