this patch fixes following checkpatch warning, and alongside
renames the DAVINCIHD_DISPLAY_H to VPIF_DISPLAY_H.

WARNING: Unnecessary space before function pointer arguments
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>