mockable throttle model

(cherry picked from commit 57263be2fe2886d7a3d4116764396b4b5c24dc49)

firmware/controllers/actuators/idle_thread.h

@@ -37,7 +37,8 @@ struct IIdleController {
 
 class IdleController : public IIdleController, public EngineModule, public idle_state_s {
 public:
-	typedef IIdleController interface_t;
+	// Mockable<> interface
+	using interface_t = IIdleController;
 
 	void init();
 

firmware/controllers/algo/engine.h

@@ -131,7 +131,7 @@ public:
 #if EFI_HPFP && EFI_ENGINE_CONTROL
 		HpfpController,
 #endif // EFI_HPFP && EFI_ENGINE_CONTROL
-		ThrottleModel,
+		Mockable<ThrottleModel>,
 #if EFI_ALTERNATOR_CONTROL
 		AlternatorController,
 #endif /* EFI_ALTERNATOR_CONTROL */

firmware/controllers/math/throttle_model.h

@@ -4,6 +4,8 @@
 
 struct ThrottleModelBase : public throttle_model_s, public EngineModule {
 public:
+	using interface_t = ThrottleModelBase;
+
 	void onSlowCallback() override;
 
 	float estimateThrottleFlow(float tip, float tps, float map, float iat);