media: uapi: v4l: Fix V4L2_TYPE_IS_OUTPUT condition

[ Upstream commit f81f69a0e3da141bdd73a16b8676f4e542533d87 ]

V4L2_TYPE_IS_OUTPUT() returns true for V4L2_BUF_TYPE_VIDEO_OVERLAY
which definitely belongs to CAPTURE.

Signed-off-by: Nas Chung <nas.chung@chipsnmedia.com>
Signed-off-by: Sebastian Fricke <sebastian.fricke@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Sasha Levin <sashal@kernel.org>