Added speed hack engine (way to make block take more cycles). Added example speed hack for Metroid Prime 2 PAL. (Speedhacking is only useful on games with really stupid idle loops, like the Metroids).

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@1271 8ced0084-cf51-0410-be5f-012b33b47a6e

Source/Core/Core/Src/PatchEngine.h

@@ -46,4 +46,6 @@ void PatchEngine_LoadPatches(const char *gameID);
 void PatchEngine_ApplyLoadPatches();
 void PatchEngine_ApplyFramePatches();
 void PatchEngine_ApplyARPatches();
+int PatchEngine_GetSpeedhackCycles(u32 addr);
+
 #endif //_PATCHENGINE_H