Add sceMp4

Core/HLE/HLETables.cpp

@@ -58,6 +58,7 @@
 #include "sceP3da.h"
 #include "sceGameUpdate.h"
 #include "sceDeflt.h"
+#include "sceMp4.h"
 
 #define N(s) s
 
@@ -254,6 +255,7 @@ void RegisterAllModules() {
 	Register_sceP3da();
 	Register_sceGameUpdate();
 	Register_sceDeflt();
+	Register_sceMp4();
 
 	for (int i = 0; i < numModules; i++)
 	{