[media] media: rc: include device name in rc udev event

This name is also stored in the input's device name, but that
is not available in TX only hardware (no input device).

Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index 42ac349..8c828fe 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -1480,6 +1480,8 @@
 		ADD_HOTPLUG_VAR("NAME=%s", dev->rc_map.name);
 	if (dev->driver_name)
 		ADD_HOTPLUG_VAR("DRV_NAME=%s", dev->driver_name);
+	if (dev->device_name)
+		ADD_HOTPLUG_VAR("DEV_NAME=%s", dev->device_name);
 
 	return 0;
 }