Add latest verified version of Nvidia Spectrum-family switch firmware,
for Spectrum (13.2014.4012), Spectrum-2 (29.2014.4012), Spectrum-3
(30.2014.4012) and Spectrum-4 (34.2014.4012).
Besides many changes and fixes, this version adds support for SN5400
systems.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>