live-build generated grub.cfg uses grub's cpuid command when
there are two or more kernel flavours.
The final user thanks to the add auto option can choose either
the amd64 kernel or 686 kernel in an easy manner.
Is it possible to add the cpuid module and command to the
secure boot based grub (both grub-efi-amd64-signed and
grub-efi-ia32-signed packages) ?