Behave as nvramcui. Avoid a "General Protection Fault Exception" when launched by SeaBIOS on pcengines APU1. Change-Id: I00b1f859f76e693e8d49a38c1e02f4f49add85b7 Signed-off-by: Maxime de Roucy <maxime.deroucy@gmail.com> Reviewed-on: http://review.coreboot.org/11731 Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Patrick Georgi <pgeorgi@google.com>