The two structures are identical, merge them and move the result to
vsp1_rwpf.c. All rwpf pad operations can now be declared static.
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>