pm: policy: fix mocks of CONFIG_PM_POLICY_DEVICE_CONSTRAINTS

The APIs pm_policy_device_power_lock_get and
pm_policy_device_power_lock_put are not mocked properly as they
should be excluded based on CONFIG_PM_POLICY_DEVICE_CONSTRAINTS,
not CONFIG_PM.

Signed-off-by: Bjarki Arge Andreasen <bjarki.andreasen@nordicsemi.no>

include/zephyr/pm/policy.h

@@ -204,32 +204,6 @@ void pm_policy_event_update(struct pm_policy_event *evt, int64_t uptime_ticks);
  */
 void pm_policy_event_unregister(struct pm_policy_event *evt);
 
-/**
- * @brief Increase power state locks.
- *
- * Set power state locks in all power states that disable power in the given
- * device.
- *
- * @param dev Device reference.
- *
- * @see pm_policy_device_power_lock_put()
- * @see pm_policy_state_lock_get()
- */
-void pm_policy_device_power_lock_get(const struct device *dev);
-
-/**
- * @brief Decrease power state locks.
- *
- * Remove power state locks in all power states that disable power in the given
- * device.
- *
- * @param dev Device reference.
- *
- * @see pm_policy_device_power_lock_get()
- * @see pm_policy_state_lock_put()
- */
-void pm_policy_device_power_lock_put(const struct device *dev);
-
 /**
  * @brief Check if a state will disable a device
  *
@@ -295,22 +269,52 @@ static inline void pm_policy_event_unregister(struct pm_policy_event *evt)
 	ARG_UNUSED(evt);
 }
 
-static inline void pm_policy_device_power_lock_get(const struct device *dev)
+static inline int64_t pm_policy_next_event_ticks(void)
 {
-	ARG_UNUSED(dev);
+	return -1;
 }
 
-static inline void pm_policy_device_power_lock_put(const struct device *dev)
+#endif /* CONFIG_PM */
+
+#if defined(CONFIG_PM_POLICY_DEVICE_CONSTRAINTS) || defined(__DOXYGEN__)
+/**
+ * @brief Increase power state locks.
+ *
+ * Set power state locks in all power states that disable power in the given
+ * device.
+ *
+ * @param dev Device reference.
+ *
+ * @see pm_policy_device_power_lock_put()
+ * @see pm_policy_state_lock_get()
+ */
+void pm_policy_device_power_lock_get(const struct device *dev);
+
+/**
+ * @brief Decrease power state locks.
+ *
+ * Remove power state locks in all power states that disable power in the given
+ * device.
+ *
+ * @param dev Device reference.
+ *
+ * @see pm_policy_device_power_lock_get()
+ * @see pm_policy_state_lock_put()
+ */
+void pm_policy_device_power_lock_put(const struct device *dev);
+
+#else
+
+static inline void pm_policy_device_power_lock_get(const struct device *dev)
 {
 	ARG_UNUSED(dev);
 }
 
-static inline int64_t pm_policy_next_event_ticks(void)
+static inline void pm_policy_device_power_lock_put(const struct device *dev)
 {
-	return -1;
+	ARG_UNUSED(dev);
 }
-
-#endif /* CONFIG_PM */
+#endif /* CONFIG_PM_POLICY_DEVICE_CONSTRAINTS */
 
 #if defined(CONFIG_PM) || defined(CONFIG_PM_POLICY_LATENCY_STANDALONE) || defined(__DOXYGEN__)
 /**