[media] msi001: Mirics MSi001 silicon tuner driver

That RF tuner driver is bound via SPI bus model and it implements V4L
subdev API. I split it out from MSi3101 SDR driver.
MSi3101 = MSi2500 + MSi001.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/staging/media/msi3101/Kconfig

@@ -3,3 +3,7 @@ config USB_MSI3101
 	depends on USB && VIDEO_DEV && VIDEO_V4L2
 	select VIDEOBUF2_CORE
 	select VIDEOBUF2_VMALLOC
+
+config MEDIA_TUNER_MSI001
+	tristate "Mirics MSi001"
+	depends on VIDEO_V4L2 && SPI

drivers/staging/media/msi3101/Makefile

 obj-$(CONFIG_USB_MSI3101)             += sdr-msi3101.o
+obj-$(CONFIG_MEDIA_TUNER_MSI001)      += msi001.o