[media] saa7134: change the debug macros for video and vbi

rename the macro to vbi_dbg()/video_dbg() and use pr_fmt(),
to be coherent with the other debug macro changes.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --cc drivers/media/pci/saa7134/saa7134-vbi.c
Simple merge

diff --cc drivers/media/pci/saa7134/saa7134-video.c
Simple merge