media: Kconfig: fix some dvb-usb-v2 dependencies

There are some tuners used by a few pure DVB boards that use
internally V4L2 function calls. Due to that, such drivers now
depends on v4l2 core support, and can't be auto-selected
if !VIDEO_V4L2:

	WARNING: unmet direct dependencies detected for DVB_RTL2832_SDR
	  Depends on [n]: MEDIA_SUPPORT [=y] && MEDIA_DIGITAL_TV_SUPPORT [=y] && DVB_CORE [=y] && I2C [=y] && I2C_MUX [=y] && VIDEO_V4L2 [=n] && MEDIA_SDR_SUPPORT [=y] && USB [=y]
	  Selected by [y]:
	  - DVB_USB_RTL28XXU [=y] && USB [=y] && MEDIA_SUPPORT [=y] && MEDIA_USB_SUPPORT [=y] && I2C [=y] && MEDIA_DIGITAL_TV_SUPPORT [=y] && DVB_USB_V2 [=y] && I2C_MUX [=y] && MEDIA_SUBDRV_AUTOSELECT [=y] && MEDIA_SDR_SUPPORT [=y]

	WARNING: unmet direct dependencies detected for MEDIA_TUNER_E4000
	  Depends on [n]: (MEDIA_ANALOG_TV_SUPPORT [=y] || MEDIA_DIGITAL_TV_SUPPORT [=y] || MEDIA_RADIO_SUPPORT [=y] || MEDIA_SDR_SUPPORT [=y]) && MEDIA_SUPPORT [=y] && I2C [=y] && VIDEO_V4L2 [=n]
	  Selected by [y]:
	  - DVB_USB_RTL28XXU [=y] && USB [=y] && MEDIA_SUPPORT [=y] && MEDIA_USB_SUPPORT [=y] && I2C [=y] && MEDIA_DIGITAL_TV_SUPPORT [=y] && DVB_USB_V2 [=y] && I2C_MUX [=y] && MEDIA_SUBDRV_AUTOSELECT [=y]

	WARNING: unmet direct dependencies detected for MEDIA_TUNER_FC2580
	  Depends on [n]: (MEDIA_ANALOG_TV_SUPPORT [=y] || MEDIA_DIGITAL_TV_SUPPORT [=y] || MEDIA_RADIO_SUPPORT [=y] || MEDIA_SDR_SUPPORT [=y]) && MEDIA_SUPPORT [=y] && I2C [=y] && VIDEO_V4L2 [=n]
	  Selected by [y]:
	  - DVB_USB_RTL28XXU [=y] && USB [=y] && MEDIA_SUPPORT [=y] && MEDIA_USB_SUPPORT [=y] && I2C [=y] && MEDIA_DIGITAL_TV_SUPPORT [=y] && DVB_USB_V2 [=y] && I2C_MUX [=y] && MEDIA_SUBDRV_AUTOSELECT [=y]

Detected via randconfig builds.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/usb/dvb-usb-v2/Kconfig

@@ -38,7 +38,7 @@ config DVB_USB_AF9035
 	select MEDIA_TUNER_FC0011 if MEDIA_SUBDRV_AUTOSELECT
 	select MEDIA_TUNER_MXL5007T if MEDIA_SUBDRV_AUTOSELECT
 	select MEDIA_TUNER_TDA18218 if MEDIA_SUBDRV_AUTOSELECT
-	select MEDIA_TUNER_FC2580 if MEDIA_SUBDRV_AUTOSELECT
+	select MEDIA_TUNER_FC2580 if (MEDIA_SUBDRV_AUTOSELECT && VIDEO_V4L2)
 	select MEDIA_TUNER_IT913X if MEDIA_SUBDRV_AUTOSELECT
 	help
 	  Say Y here to support the Afatech AF9035 based DVB USB receiver.
@@ -137,12 +137,12 @@ config DVB_USB_RTL28XXU
 	select DVB_CXD2841ER if MEDIA_SUBDRV_AUTOSELECT
 	select DVB_RTL2830
 	select DVB_RTL2832
-	select DVB_RTL2832_SDR if (MEDIA_SUBDRV_AUTOSELECT && MEDIA_SDR_SUPPORT)
+	select DVB_RTL2832_SDR if (MEDIA_SUBDRV_AUTOSELECT && MEDIA_SDR_SUPPORT && VIDEO_V4L2)
 	select DVB_SI2168 if MEDIA_SUBDRV_AUTOSELECT
-	select MEDIA_TUNER_E4000 if MEDIA_SUBDRV_AUTOSELECT
+	select MEDIA_TUNER_E4000 if (MEDIA_SUBDRV_AUTOSELECT && VIDEO_V4L2)
 	select MEDIA_TUNER_FC0012 if MEDIA_SUBDRV_AUTOSELECT
 	select MEDIA_TUNER_FC0013 if MEDIA_SUBDRV_AUTOSELECT
-	select MEDIA_TUNER_FC2580 if MEDIA_SUBDRV_AUTOSELECT
+	select MEDIA_TUNER_FC2580 if (MEDIA_SUBDRV_AUTOSELECT && VIDEO_V4L2)
 	select MEDIA_TUNER_MT2060 if MEDIA_SUBDRV_AUTOSELECT
 	select MEDIA_TUNER_MXL5005S if MEDIA_SUBDRV_AUTOSELECT
 	select MEDIA_TUNER_QT1010 if MEDIA_SUBDRV_AUTOSELECT