[media] Kconfig: add SDR support

Add software defined radio device support for media Kconfig.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/Kconfig

@@ -59,6 +59,13 @@ config MEDIA_RADIO_SUPPORT
 		support radio reception. Disabling this option will
 		disable support for them.
 
+config MEDIA_SDR_SUPPORT
+	bool "Software defined radio support"
+	---help---
+	  Enable software defined radio support.
+
+	  Say Y when you have a software defined radio device.
+
 config MEDIA_RC_SUPPORT
 	bool "Remote Controller support"
 	depends on INPUT
@@ -95,7 +102,7 @@ config MEDIA_CONTROLLER
 config VIDEO_DEV
 	tristate
 	depends on MEDIA_SUPPORT
-	depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT
+	depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT
 	default y
 
 config VIDEO_V4L2_SUBDEV_API
@@ -171,7 +178,7 @@ comment "Media ancillary drivers (tuners, sensors, i2c, frontends)"
 
 config MEDIA_SUBDRV_AUTOSELECT
 	bool "Autoselect ancillary drivers (tuners, sensors, i2c, frontends)"
-	depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT
+	depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT || MEDIA_SDR_SUPPORT
 	depends on HAS_IOMEM
 	select I2C
 	select I2C_MUX

drivers/media/usb/Kconfig

@@ -52,5 +52,9 @@ if (MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT)
 source "drivers/media/usb/em28xx/Kconfig"
 endif
 
+if MEDIA_SDR_SUPPORT
+	comment "Software defined radio USB devices"
+endif
+
 endif #MEDIA_USB_SUPPORT
 endif #USB