AMITSE module uses Freeform subtype GUID. How to disassemble it with cross references?

BIOS/UEFI Modding BIOS modules (PCI ROM, EFI and others)
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This is not compressed section, wich contrains PE32 = smth like amitse.efi and 2 sections freeform subtype GUID. How does PE acceses this files? I can’t find any references to this section in Ida.

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