mlxsw: reg: Extend MFDE register with new events and parameters

Extend the Monitoring Firmware Debug (MFDE) register with new events and
their related parameters. These events will be utilized by
devlink-health in the next patch.

Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>