greybus: greybus_trace: use the bundle struct device instead of the connector

We are removing struct device from the gb_connection structure in the
near future.  The gb_bundle structure's struct device should be used as
a replacement.

This patch moves the greybus trace code to use the bundle pointer
instead of the connection pointer when printing out tracing messages.
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>

drivers/staging/greybus/greybus_trace.h

@@ -24,7 +24,7 @@ DECLARE_EVENT_CLASS(gb_message,
 	TP_ARGS(message),
 
 	TP_STRUCT__entry(
-		__string(name, dev_name(&message->operation->connection->dev))
+		__string(name, dev_name(&message->operation->connection->bundle->dev))
 		__field(u16, op_id)
 		__field(u16, intf_cport_id)
 		__field(u16, hd_cport_id)
@@ -32,7 +32,7 @@ DECLARE_EVENT_CLASS(gb_message,
 	),
 
 	TP_fast_assign(
-		__assign_str(name, dev_name(&message->operation->connection->dev))
+		__assign_str(name, dev_name(&message->operation->connection->bundle->dev))
 		__entry->op_id = message->operation->id;
 		__entry->intf_cport_id =
 			message->operation->connection->intf_cport_id;