drm/armada: no need to check parent of remote

There's no need to check the parent of the remote device to check
whether it is available or not, the remote is the device itself.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>

drivers/gpu/drm/armada/armada_drv.c

@@ -210,17 +210,9 @@ static void armada_add_endpoints(struct device *dev,
 
 	for_each_endpoint_of_node(dev_node, ep) {
 		remote = of_graph_get_remote_port_parent(ep);
-		if (!remote || !of_device_is_available(remote)) {
-			of_node_put(remote);
-			continue;
-		} else if (!of_device_is_available(remote->parent)) {
-			dev_warn(dev, "parent device of %pOF is not available\n",
-				 remote);
-			of_node_put(remote);
-			continue;
-		}
-
-		drm_of_component_match_add(dev, match, compare_of, remote);
+		if (remote && of_device_is_available(remote))
+			drm_of_component_match_add(dev, match, compare_of,
+						   remote);
 		of_node_put(remote);
 	}
 }