ivi-shell: reordering method in ivi_layout.c

In the future, re-alignmenet of WL_EXPORT per method should be done.
For that work, re-ordering is required to be used by another method.

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
Acked-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>