firewire: Let an fw_descriptor specify a leading immediate key/value pair.

This lets us break out "Juju" as the model name in the config rom.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index cbea845..552e9af 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -164,6 +164,7 @@
 struct fw_descriptor {
 	struct list_head link;
 	size_t length;
+	u32 immediate;
 	u32 key;
 	const u32 *data;
 };