fix missed update in https://github.com/project-chip/connectedhomeip/commit/b6859d795e044478ef5db275c45b82b45c7f05df (#21722)

diff --git a/examples/light-switch-app/nrfconnect/main/include/BindingHandler.h b/examples/light-switch-app/nrfconnect/main/include/BindingHandler.h
index c3820e1..bfad3f8 100644
--- a/examples/light-switch-app/nrfconnect/main/include/BindingHandler.h
+++ b/examples/light-switch-app/nrfconnect/main/include/BindingHandler.h
@@ -51,9 +51,9 @@
     }
 
 private:
-    static void OnOffProcessCommand(chip::CommandId, const EmberBindingTableEntry &, chip::DeviceProxy *, void *);
-    static void LevelControlProcessCommand(chip::CommandId, const EmberBindingTableEntry &, chip::DeviceProxy *, void *);
-    static void LightSwitchChangedHandler(const EmberBindingTableEntry &, chip::DeviceProxy *, void *);
+    static void OnOffProcessCommand(chip::CommandId, const EmberBindingTableEntry &, chip::OperationalDeviceProxy *, void *);
+    static void LevelControlProcessCommand(chip::CommandId, const EmberBindingTableEntry &, chip::OperationalDeviceProxy *, void *);
+    static void LightSwitchChangedHandler(const EmberBindingTableEntry &, chip::OperationalDeviceProxy *, void *);
     static void LightSwitchContextReleaseHandler(void * context);
     static void InitInternal(intptr_t);