It's a FILTER and not FILETER.

Link: https://lore.kernel.org/linux-media/20231116154816.70959-2-andrzej.p@collabora.comSigned-off-by: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>