[media] dvb_usb_v2: merge get_ts_config() to get_usb_stream_config()

Piggypag TS type callback to USB stream callback and change
callback name slightly to fit better.
Both of those are rather rare callback and has a relation. Transport
Stream, TS, is input stream and USB stream is output stream of
DVB USB bridge.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c
index 0f87eaf..101b399 100644
--- a/drivers/media/dvb/dvb-usb/af9015.c
+++ b/drivers/media/dvb/dvb-usb/af9015.c
@@ -599,7 +599,7 @@
 	return ret;
 }
 
-static int af9015_get_usb_stream_config(struct dvb_frontend *fe,
+static int af9015_get_stream_config(struct dvb_frontend *fe, u8 *ts_type,
 		struct usb_data_stream_properties *stream)
 {
 	deb_info("%s: adap=%d\n", __func__, fe_to_adap(fe)->id);
@@ -1304,7 +1304,7 @@
 	.tuner_attach = af9015_tuner_attach,
 	.init = af9015_init,
 	.get_rc_config = af9015_get_rc_config,
-	.get_usb_stream_config = af9015_get_usb_stream_config,
+	.get_stream_config = af9015_get_stream_config,
 
 	.get_adapter_count = af9015_get_adapter_count,
 	.adapter = {