mm/damon/core: rename damos_filter_out() to damos_core_filter_out()

mm/damon/core: rename damos_filter_out() to damos_core_filter_out()

DAMOS filters are processed on the core layer and operations layer,
depending on their types.  damos_filter_out() in core.c, which is for only
core layer handled filters, can confuse the fact.  Rename it to
damos_core_filter_out(), to be more explicit about the fact.

Link: https://lkml.kernel.org/r/20260117175256.82826-7-sj@kernel.org
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>