The extra firmware is not part of upstream kernel.
Fixes build error if the firmware is not present.
Change-Id: Ifbcb0bb0e2edf3aa260b40dfa339812019f9f0b3
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/28908
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>