mm/damon/sysfs: commit intervals tuning goal

Connect DAMON sysfs interface for sampling and aggregation intervals
auto-tuning with DAMON core API, so that users can really use the feature
using the sysfs files.

Link: https://lkml.kernel.org/r/20250303221726.484227-5-sj@kernel.org


Signed-off-by: SeongJae Park <sj@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>