mei: rename mei_free_cb_private to mei_io_cb_free

1. cb_private was an old name that we depriacated in earlier
cleanups

2. we also group the funcion declaration with other _io_
functions

3. Don't check cb for NULL as mei_io_cb_free is NULL safe

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index de5babc..4545a9e 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -291,8 +291,10 @@
 int mei_me_cl_by_id(struct mei_device *dev, u8 client_id);
 
 /*
- * MEI IO List Functions
+ * MEI IO Functions
  */
+void mei_io_cb_free(struct mei_cl_cb *priv_cb);
+
 /**
  * mei_io_list_init - Sets up a queue list.
  *
@@ -361,7 +363,6 @@
 
 void mei_run_next_iamthif_cmd(struct mei_device *dev);
 
-void mei_free_cb_private(struct mei_cl_cb *priv_cb);
 
 
 /*