mei: use link and unlink terms for connecting ME and HOST client

1. rename mei_me_cl_update_filext to mei_me_cl_link
2. rename mei_remove_client_from_file_list to mei_me_cl_unlink

Code style, documenation, and usage of both function is updated

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 2cc1ebb..251aaff 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -227,7 +227,7 @@
 		clear_bit(cl->host_client_id, dev->host_clients_map);
 		dev->open_handle_count--;
 	}
-	mei_remove_client_from_file_list(dev, cl->host_client_id);
+	mei_me_cl_unlink(dev, cl);
 
 	/* free read cb */
 	cb = NULL;
@@ -913,8 +913,8 @@
 
 	/* remove entry if already in list */
 	dev_dbg(&pdev->dev, "list del iamthif and wd file list.\n");
-	mei_remove_client_from_file_list(dev, dev->wd_cl.host_client_id);
-	mei_remove_client_from_file_list(dev, dev->iamthif_cl.host_client_id);
+	mei_me_cl_unlink(dev, &dev->wd_cl);
+	mei_me_cl_unlink(dev, &dev->iamthif_cl);
 
 	dev->iamthif_current_cb = NULL;
 	dev->me_clients_num = 0;