firewire: Drop the unused fw_card device.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>

drivers/firewire/fw-transaction.h

@@ -270,6 +270,7 @@ extern struct bus_type fw_bus_type;
 struct fw_card {
 	const struct fw_card_driver *driver;
 	struct device *device;
+	struct kref kref;
 
 	int node_id;
 	int generation;
@@ -300,8 +301,6 @@ struct fw_card {
 
 	int index;
 
-	struct device card_device;
-
 	struct list_head link;
 
 	/* Work struct for BM duties. */