models.json: Add CPE210/220/510/520 and NanoStation (Loco) (XW-Models)
models.json: Add CPE210/220/510/520 and NanoStation (Loco) (XW-Models)

Freifunk-Rhein-Neckar/ffda-firmware-splash,freifunk-darmstadt/ffda-firmware-splash,freifunk-darmstadt/ffda-firmware-splash,Freifunk-Rhein-Neckar/ffda-firmware-splash