On aarch64, SMBIOS is only available when using UEFI, so let's make sure that the creds test uses UEFI when available so that it can read creds from SMBIOS when running in a virtual machine.
On aarch64, SMBIOS is only available when using UEFI, so let's make sure that the creds test uses UEFI when available so that it can read creds from SMBIOS when running in a virtual machine.