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>

WHENCE

@@ -5720,6 +5720,10 @@ File: mellanox/mlxsw_spectrum-13.2010.1502.mfa2
 File: mellanox/mlxsw_spectrum2-29.2010.1502.mfa2
 File: mellanox/mlxsw_spectrum3-30.2010.1502.mfa2
 File: mellanox/lc_ini_bundle_2010_1502.bin
+File: mellanox/mlxsw_spectrum-13.2010.3020.mfa2
+File: mellanox/mlxsw_spectrum2-29.2010.3020.mfa2
+File: mellanox/mlxsw_spectrum3-30.2010.3020.mfa2
+File: mellanox/lc_ini_bundle_2010_3020.bin
 
 Licence:
  Copyright (c) 2017-2020 Mellanox Technologies, Ltd. All rights reserved.