V4L/DVB: arv: convert to V4L2

Converted this old V4L1 driver to V4L2.
I would like to thank Takeo Takahashi who very kindly tested this
driver for me. Much appreciated!

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Tested-by: Takeo Takahashi <takahashi.takeo@renesas.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index 2ed76f9..fe67712 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -807,7 +807,7 @@
 
 config VIDEO_M32R_AR
 	tristate "AR devices"
-	depends on M32R && VIDEO_V4L1
+	depends on M32R && VIDEO_V4L2
 	---help---
 	  This is a video4linux driver for the Renesas AR (Artificial Retina)
 	  camera module.