[media] vpif: don't cast pointers to int

Shut up several warnings about invalid casting when printing
the values of two pointers.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

diff --cc drivers/media/platform/davinci/vpfe_capture.c
Simple merge

diff --cc drivers/media/platform/davinci/vpif_display.c
Simple merge