kern/svc: implement IoPool/Region svc support

libraries/libmesosphere/include/mesosphere/kern_k_class_token.hpp

@@ -110,10 +110,8 @@ namespace ams::kern {
                 KDeviceAddressSpace,
                 KSessionRequest,
                 KCodeMemory,
-
-                /* NOTE: True order for these has not been determined yet. */
-                KAlpha,
-                KBeta,
+                KIoPool,
+                KIoRegion,
 
                 FinalClassesEnd = FinalClassesStart + NumFinalClasses,
             };