Update Enginio binary dependencies to 5.2.1

Change-Id: I34b505544c2b90e51343f7811a1ea57a1f62c991
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>
Enginio version bump up for 5.2.1

Change-Id: I291ae73658b494062a2f84de45fb96d20e50bc02
Reviewed-by: Iikka Eklund <iikka.eklund@digia.com>