Intel RST OROM is used by a RAID configuration, not a standard AHCI/SATA system.
UBU only cant deal with the latest RTL OROM, not newer, the tool is not updated since 2021, this module is only useful for remote boot.
[Updated] Latest ROM Modules (Not AHCI/RAID related) - BIOS/UEFI Modding / BIOS modules (PCI ROM, EFI and others) - Win-Raid Forum (level1techs.com)
VBIOS/VBT modules updates requires further steps and work (Not the GOP driver):
EFI LAN BIOS + Intel GopDriver modules - BIOS/UEFI Modding / BIOS modules (PCI ROM, EFI and others) - Win-Raid Forum (level1techs.com)