[media] dvb_ca_en50221: add support for CA node at the media controller

Make the dvb core CA support aware of the media controller and
register the corresponding devices.
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/dvb-core/dvb_ca_en50221.c

@@ -1638,15 +1638,17 @@ static const struct file_operations dvb_ca_fops = {
 	.llseek = noop_llseek,
 };
 
-static struct dvb_device dvbdev_ca = {
+static const struct dvb_device dvbdev_ca = {
 	.priv = NULL,
 	.users = 1,
 	.readers = 1,
 	.writers = 1,
+#if defined(CONFIG_MEDIA_CONTROLLER_DVB)
+	.name = "ca_en50221",
+#endif
 	.fops = &dvb_ca_fops,
 };
 
-
 /* ******************************************************************************** */
 /* Initialisation/shutdown functions */