V4L/DVB: af9015: add missing TDA18218 Kconfig option

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/Kconfig

@@ -314,6 +314,7 @@ config DVB_USB_AF9015
 	select MEDIA_TUNER_TDA18271 if !MEDIA_TUNER_CUSTOMISE
 	select MEDIA_TUNER_MXL5005S if !MEDIA_TUNER_CUSTOMISE
 	select MEDIA_TUNER_MC44S803 if !MEDIA_TUNER_CUSTOMISE
+	select MEDIA_TUNER_TDA18218 if !MEDIA_TUNER_CUSTOMISE
 	help
 	  Say Y here to support the Afatech AF9015 based DVB-T USB2.0 receiver