Add WL_EXPORT to resolve undifined symbol

Change-Id: Ic86805bdbed793c0bc97e692fdc1dfdfabed1b34
Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
Modify module_init of ivi-shell to load hmi-controller.so from there and find module_init as well

Change-Id: I705e13029e182eac5b03c61db2cf0f1fea5279cd
Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>