nfp: add support to offload tc action to hardware

Add process to offload tc action to hardware.

Currently we only support to offload police action.

Add meter capability to check if firmware supports
meter offload.

Signed-off-by: Baowen Zheng <baowen.zheng@corigine.com>
Signed-off-by: Louis Peens <louis.peens@corigine.com>
Signed-off-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>