I've found guide on insanelymac forum on how to fix WiFi without touching /S /L /E, applicable in Big Sur (Mojave and Catalina might works too). Here the changes of config.plist from your OpenCore repo:
Made some changes in config.plist under Kernel section
Extract kext.zip file (and add HS80211Family.kext and AirPortAtheros40.kext) in /OC/Kexts/
Reboot
HDMI still not connected properly, I've tested on Big Sur. Don't know if it works on Catalina or Mojave
I've found guide on insanelymac forum on how to fix WiFi without touching /S /L /E, applicable in Big Sur (Mojave and Catalina might works too). Here the changes of config.plist from your OpenCore repo:
HDMI still not connected properly, I've tested on Big Sur. Don't know if it works on Catalina or Mojave