Use GRUB2 legacy loader only on some Intel Atom boards specifically #3498
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Previous revert of GRUB2 change that introduced usage of the generic EFI loader for all x86 boards in #3324 caused regressions, the one confirmed is #3348. This commit adds a specific patch that identifies the broken platforms based on SMBIOS data gathered in #3305 and falls back to the legacy loader there.
Tested on Intel D525MW (falls back) and QEMU (no fallback).
Also enable the smbios module for future debugging purposes.