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* x86: Add support for the Simple Firmware Interface (SFI)Simon Glass2015-04-29-0/+154
This provides a way of passing information to Linux without requiring the full ACPI horror. Provide a rudimentary implementation sufficient to be recognised and parsed by Linux. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>