RDMA/irdma: Do not set IBK_LOCAL_DMA_LKEY for GEN3+

RDMA/irdma: Do not set IBK_LOCAL_DMA_LKEY for GEN3+

[ Upstream commit eef3ad030b08c0f100cb18de7f604442a1adb8c7 ]

The GEN3 hardware does not appear to support IBK_LOCAL_DMA_LKEY. Attempts
to use it will result in an AE.

Fixes: eb31dfc2b41a ("RDMA/irdma: Restrict Memory Window and CQE Timestamping to GEN3")
Signed-off-by: Jacob Moroni <jmoroni@google.com>
Signed-off-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Link: https://patch.msgid.link/20251125025350.180-8-tatyana.e.nikolova@intel.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>