Merge branch 'mlxsw-Update-supported-firmware-version'

Ido Schimmel says:

====================
mlxsw: Update supported firmware version

The first patch bumps the firmware version supported by the driver. The
second patch enables a feature introduced in the new version,
auto-negotiation disable.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>