Mellanox: Add new mlxsw_spectrum firmware xx.2010.3020

Mellanox: Add new mlxsw_spectrum firmware xx.2010.3020

Add latest verified version of Nvidia Spectrum-family switch firmware,
for Spectrum (13.2010.3020), Spectrum-2 (29.2010.3020) and Spectrum-3
(30.2010.3020). Furthermore, add lc_ini_bundle_2010_3020.bin for modular
systems.

Among others, this release fixes the following two issues:

- Allow that correction field adjustment can be enabled for different PTP
  message types on ingress than on egress.
- Fix for linecard PSID byte ordering issue for modular systems.

Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Josh Boyer <jwboyer@kernel.org>