Shaq (or another followers of this thread)if you decide to upgrade in the future, check out
hackindrom
https://www.tonymacx86.com/threads/...-efi-creation-and-update.312176/#post-2242936
It updates working Opencore EFI automatically.
For creating one from scratch I use
Oc-Gen-x
https://github.com/Pavo-IM/OC-Gen-X/releases
with these selections:
Comet Lake
Essential : LiLu Virtual SMC
Virtual SMC Plugins: SMC Processor SMCSuperIO
Graphics: Whatevergreen agdpmod=pikera shikigva=80
Audio: AppleALC alcid=11
Ethernet: intelsmalltree
USB: USBInjectall
Firmware Drivers: Openruntime.efi HfsPlus.efi
and
Hackintool for usb mapping
https://github.com/headkaze/Hackintool/releases
and if you add or change anything in EFI, use
open core configurator to integrate changes into .config file
https://mackie100projects.altervista.org/opencore-configurator/