net/mlx5: Drain firmware reset in shutdown callback

net/mlx5: Drain firmware reset in shutdown callback

Invoke drain_fw_reset() in the shutdown callback to ensure all
firmware reset handling is completed before shutdown proceeds.

Fixes: 16d42d313350 ("net/mlx5: Drain fw_reset when removing device")
Signed-off-by: Moshe Shemesh <moshe@nvidia.com>
Reviewed-by: Shay Drori <shayd@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/1765284977-1363052-3-git-send-email-tariqt@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>