RDMA/bnxt_re: Decrement resource stats correctly

rc_qp_count and ud_qp_count is not decremented during qp destroy.
Fix this.

Fixes: cb95709e ("bnxt_re: Update the hw counters for resource stats")
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1695199280-13520-3-git-send-email-selvin.xavier@broadcom.com


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