media: atmel-isi: drop unnecessary while loop

As there is no way this can loop it actually makes no sense to have
a while(1){} around the body - all three possible paths end in a return
statement.

Fixes: commit c1d82b89 "[media] atmel-isi: move out of soc_camera to atmel"
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/platform/atmel/atmel-isi.c

@@ -1106,7 +1106,6 @@ static int isi_graph_parse(struct atmel_isi *isi, struct device_node *node)
 	struct device_node *ep = NULL;
 	struct device_node *remote;
 
-	while (1) {
 	ep = of_graph_get_next_endpoint(node, ep);
 	if (!ep)
 		return -EINVAL;
@@ -1122,7 +1121,6 @@ static int isi_graph_parse(struct atmel_isi *isi, struct device_node *node)
 	isi->entity.asd.match_type = V4L2_ASYNC_MATCH_FWNODE;
 	isi->entity.asd.match.fwnode = of_fwnode_handle(remote);
 	return 0;
-	}
 }
 
 static int isi_graph_init(struct atmel_isi *isi)