pm: device_system_managed: Fix functions return

Fix functions return when CONFIG_PM_DEVICE_SYSTEM_MANAGED is
not enabled.

Signed-off-by: Flavio Ceolin <[email protected]>

Author: Flavio Ceolin

subsys/pm/device_system_managed.h

@@ -14,8 +14,8 @@ void pm_resume_devices(void);
 
 #else
 
-bool pm_resume_devices(void) { return true; }
-void pm_suspend_devices(void) {}
+bool pm_suspend_devices(void) { return true; }
+void pm_resume_devices(void) {}
 
 #endif /* CONFIG_PM_DEVICE_SYSTEM_MANAGED */