Multiple devices/locations support

[martinl]

I have multiple Eldes devices in different locations. It would be nice if I could select which devices/locations to add or enable in HA. Currently I could delete the other devices but control entity still shows multiple items. Also, we are getting arm/disarm events for all devices which are not relevant to specific HA instance. Otherwise the integration works well and looks nice and is very easy to set up when compared to some other alarm panel brands.