Linux v5.1.3 - sfi
# SFI Configuration
bool "SFI (Simple Firmware Interface) Support"
The Simple Firmware Interface (SFI) provides a lightweight method
for platform firmware to pass information to the operating system
via static tables in memory. Kernel SFI support is required to
boot on SFI-only platforms. Currently, all SFI-only platforms are
based on the 2nd generation Intel Atom processor platform,
For more information, see http://simplefirmware.org
Say 'Y' here to enable the kernel to boot on SFI-only platforms.