RDMA/irdma: Add GEN3 HW statistics support

RDMA/irdma: Add GEN3 HW statistics support

Plug into the unified HW statistics framework by adding a hardware
statistics map array for GEN3, defining the HW-specific width and
location for each counter in the statistics buffer.

Signed-off-by: Krzysztof Czurylo <krzysztof.czurylo@intel.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Link: https://patch.msgid.link/20250827152545.2056-7-tatyana.e.nikolova@intel.com
Tested-by: Jacob Moroni <jmoroni@google.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>