A32: Add Step

include/dynarmic/A32/a32.h

@@ -35,6 +35,12 @@ public:
      */
     void Run();
 
+    /**
+     * Steps the emulated CPU.
+     * Cannot be recursively called.
+     */
+    void Step();
+
     /**
      * Clears the code cache of all compiled code.
      * Can be called at any time. Halts execution if called within a callback.