RDMA/bnxt_re: Don't fail destroy QP and cleanup debugfs earlier

RDMA/bnxt_re: Don't fail destroy QP and cleanup debugfs earlier

Change bnxt_re_destroy_qp to always return 0 and don't fail
in case of error during destroy.

In addition, delete debugfs QP to earlier stage.

Fixes: d7d54769c042 ("RDMA/bnxt_re: Add debugfs hook in the driver")
Reviewed-by: Kashyap Desai <kashyap.desai@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://patch.msgid.link/20241204075416.478431-6-kalesh-anakkur.purayil@broadcom.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>