Modify the documentation to point out which flags and structs are
used to configure the statistics.
Signed-off-by: NDafna Hirschfeld <dafna.hirschfeld@collabora.com>
Reviewed-by: NSebastian Fricke <sebastian.fricke@posteo.net>
Signed-off-by: NHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab+huawei@kernel.org>