Sorry, forgot to add you need to change your DeviceProperties -> Add -> PciRoot(0x0)/Pci(0x2,0x0)->AAPL,ig-platform-id to 00008A52 and add property device-id (type data) with value 825A0000
Also, forgot to mention, Thunderbolt isnt working either with your EFI, it detects as standard USB only...