Apollolake platform comes with FPF (field-programmable-fuses). FPF can be blown only once, typically at the end of the manufacturing process. This patch adds code that sends a request to CSE to figure out if FPFs have already been blown. Change-Id: I9e768a8b95a3cb48adf66e1f17803c720908802d Signed-off-by: Andrey Petrov <andrey.petrov@intel.com> Reviewed-on: https://review.coreboot.org/18604 Reviewed-by: Aaron Durbin <adurbin@chromium.org> Tested-by: build bot (Jenkins)