The struct v4l2_subdev_format sd_fmt cannot be static since it can be
written back by the subdev. Just have it on the stack.
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>