Hi, I assume you tried to make an Aerodrums kit with 8", 10", 12", 14" and 16" toms. If this doesn't trigger 5 different toms in EZdrummer 2 then I don't think it will be possible to set it up.
As noted on
this page, EZdrummer 2 doesn't support custom MIDI maps. The only thing I can suggest is trying both the Roland and Alesis E-Drum presets in EZdrummer 2 to see if either gives the desired result.