cgroup: reorder cgroup_migrate()'s parameters
cgroup: reorder cgroup_migrate()'s parameters

cgroup_migrate() has the destination cgroup as the first parameter
while cgroup_task_migrate() has the destination cset as the last.
Another migration function is scheduled to be added which can make the
discrepancy further stand out.  Let's reorder cgroup_migrate()'s
parameters so that the destination cgroup is the last.

This doesn't cause any functional difference.

Signed-off-by: Tejun Heo <546b05909706652891a87f7bfe385ae147f61f91@kernel.org>
Acked-by: Zefan Li <a8167b9d27aca9c6624754deb52c4c6420eded04@huawei.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs