IOReg file looks good.
Only thing I could think of to improve is to generate your own USB port kext. Right now the system has no usb port limit set. You should remove any ports not use to smooth out the system,
See here how to do it. Port limit patches ae already included in my files you are using
https://osxlatitude.com/forums/topic/12097-e6530-catalina-gm-problems-with-usb-ports/?do=findComment&comment=94774