platform: mellanox: mlx-platform: add support for additional CPLD

Extend to support 5-th CPLD version, PN and minimal version registers.

Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Reviewed-by: Michael Shych <michaelsh@nvidia.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Link: https://lore.kernel.org/r/20230822113451.13785-7-vadimp@nvidia.com


Signed-off-by: Hans de Goede <hdegoede@redhat.com>