RDMA/counter: Prevent QP counter binding if counters unsupported

RDMA/counter: Prevent QP counter binding if counters unsupported

In case of rdma_counter_init() fails, counter allocation and QP bind
should not be allowed.

Fixes: 62dfca2104b7 ("RDMA/counter: Add set/clear per-port auto mode support")
Fixes: 7447cf4ff185 ("RDMA/counter: Allow manual mode configuration support")
Signed-off-by: Mark Zhang <markz@mellanox.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Link: https://lore.kernel.org/r/20190807101819.7581-1-leon@kernel.org
Signed-off-by: Doug Ledford <dledford@redhat.com>