Linux 5.18 compat: kobj_type.default_attrs replaced with default_groups

Upstream-commit: cdb4f26a63c391317e335e6e683a614358e70aeb ("kobject:
kobj_type: remove default_attrs")
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13357