greybus: hd: rename host-device structure

Rename host-device structure gb_host_device to match our other
structures.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
diff --git a/drivers/staging/greybus/operation.h b/drivers/staging/greybus/operation.h
index 0f44ec8..c3f7ce7 100644
--- a/drivers/staging/greybus/operation.h
+++ b/drivers/staging/greybus/operation.h
@@ -150,7 +150,7 @@
 void gb_operation_cancel(struct gb_operation *operation, int errno);
 void gb_operation_cancel_incoming(struct gb_operation *operation, int errno);
 
-void greybus_message_sent(struct greybus_host_device *hd,
+void greybus_message_sent(struct gb_host_device *hd,
 				struct gb_message *message, int status);
 
 int gb_operation_sync_timeout(struct gb_connection *connection, int type,