RDMA/bnxt_re: Fix the max CQ WQEs for older adapters

RDMA/bnxt_re: Fix the max CQ WQEs for older adapters

Older adapters doesn't support the MAX CQ WQEs reported by older FW. So
restrict the value reported to 1M always for older adapters.

Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Link: https://patch.msgid.link/r/1728373302-19530-2-git-send-email-selvin.xavier@broadcom.com
Signed-off-by: Abhishek Mohapatra<abhishek.mohapatra@broadcom.com>
Reviewed-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>