I have make it come true. super easy! by some wires and two 2208 or other drivers. do some soldering job and done.
If you are still interested in it I will make a post of how to do it.
Frankly, There is a tmc2208 version um2 main board selling on eBay.
Only 120 bucks, drop-in replacement and work perfectly.
All ripples have gone!