ACPI: update ej_event interface to take acpi_device

Should use acpi_device pointer directly instead of use handle and
get the device pointer again later.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 566f1fd..567851b 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -306,7 +306,7 @@
 };
 
 struct acpi_eject_event {
-	acpi_handle	handle;
+	struct acpi_device	*device;
 	u32		event;
 };