It can be done. Don’t ask me how it works, it just does: the trick is to get your Akai MPK to send this for example:
Knob01
type: inc/dec1
Midichannel USB A1
Msb:000 Lsb:54
Midi to Din: off
Value 053
Then in Generic remote increase and decrease are received as two different control change numbers (96 and 97 if I remember well), each one can then be assign to any command you want on the lower table of the generic remote. I know this topic is old and maybe my answer is old news but here it is.