percpu: clean up of schunk->map[] assignment in pcpu_setup_first_chunk
percpu: clean up of schunk->map[] assignment in pcpu_setup_first_chunk

The original assignment is a little redundent.

Signed-off-by: Baoquan He <1b95acc14c82271bede46a8b6a84bd6be6240a7c@redhat.com>
Acked-by: Christoph Lameter <ef3ecccf258fa062c5c6521a4887d40541963af7@linux.com>
Signed-off-by: Tejun Heo <546b05909706652891a87f7bfe385ae147f61f91@kernel.org>

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