[CP] add new parameter used to control spm intead of sys variable

src/share/ob_upgrade_utils.h

@@ -255,6 +255,7 @@ public:
 private:
   int post_upgrade_for_reset_compat_version();
   int try_reset_version(const uint64_t tenant_id, const char *var_name);
+  int post_upgrade_for_spm();
 };
 
 /* =========== special upgrade processor end   ============= */