device type: find the device types which exist and pre-fill the tables

[aaronkaplan]

we need the info which types of devices these are: Linksys WRT54GL , etc... this info should come from either the spider or from the Graz community.

[mihi-tr]

@schlatterbeck can you take a look at this? Doesn't the spider already do this?

Also it's referenced here: https://bugs-ffm.gg32.com/issue80