RDMA/bnxt_re: Fix the condition check while programming congestion control

Program the Congestion control values when the CC gen matches.
Fix the condition check for the same.

Fixes: 656dff55 ("RDMA/bnxt_re: Congestion control settings using debugfs hook")
Reported-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reported-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/1739022506-8937-1-git-send-email-selvin.xavier@broadcom.com


Signed-off-by: Leon Romanovsky <leon@kernel.org>