hle: kernel: multicore: Replace n-JITs impl. with 4 JITs.

src/core/arm/arm_interface.h

@@ -64,6 +64,9 @@ public:
     /// Step CPU by one instruction
     virtual void Step() = 0;
 
+    /// Exits execution from a callback, the callback must rewind the stack
+    virtual void ExceptionalExit() = 0;
+
     /// Clear all instruction cache
     virtual void ClearInstructionCache() = 0;