V4L/DVB (6252): Adapt drivers to use the newer videobuf modules

PCI-dependent videobuf_foo methods were renamed as videobuf_pci_foo.

Also, videobuf_dmabuf is now part of videobuf-dma-sg private struct.
So, to access it, a subroutine call is needed.

This patch renames all occurences of those function calls to be
consistent with the video-buf split.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
http://thread.gmane.org/gmane.comp.video.video4linux/34978/focus=34981
Reviewed-by: Ricardo Cerqueira <v4l@cerqueira.org>
diff --git a/drivers/media/common/Kconfig b/drivers/media/common/Kconfig
index 5c63c8e..c5092ef 100644
--- a/drivers/media/common/Kconfig
+++ b/drivers/media/common/Kconfig
@@ -5,5 +5,5 @@
 config VIDEO_SAA7146_VV
 	tristate
 	depends on VIDEO_DEV
-	select VIDEO_BUF
+	select VIDEOBUF_DMA_SG
 	select VIDEO_SAA7146