[media] rtl28xxu: add SDR module for devices having R828D tuner

Load SDR sub-driver in order to support SDR for devices having
this tuner too.
Signed-off-by: NAntti Palosaari <crope@iki.fi>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/usb/dvb-usb-v2/rtl28xxu.c

@@ -1113,6 +1113,10 @@ static int rtl2832u_tuner_attach(struct dvb_usb_adapter *adap)
 			adap->fe[1]->ops.read_signal_strength =
 					adap->fe[1]->ops.tuner_ops.get_rf_strength;
 		}
+
+		/* attach SDR */
+		dvb_attach_sdr(rtl2832_sdr_attach, adap->fe[0], &d->i2c_adap,
+				&rtl28xxu_rtl2832_r820t_config, NULL);
 		break;
 	default:
 		dev_err(&d->udev->dev, "%s: unknown tuner=%d\n", KBUILD_MODNAME,