Mellanox: Add new mlxsw_spectrum firmware xx.2012.1012

Add latest verified version of Nvidia Spectrum-family switch firmware,
for Spectrum (13.2012.1012), Spectrum-2 (29.2012.1012), Spectrum-3
(30.2012.1012) and Spectrum-4 (34.2012.1012).

Among a number of fixes and new features that this FW release brings, the
following are specifically relevant for the mlxsw driver:

- includes support for ACL IGNORE action's disable_security bit
- includes FW for the Spectrum-4 ASIC

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