[dts] [PATCH V4] stop port before csum set

[Liu, Yong]

Thanks Gang. Applied.

On 01/29/2018 06:14 PM, xu,gang wrote:
> Need to stop port before configure csum.
> refer dpdk commit : 597f9fafe13b
>
> Signed-off-by: xu,gang<gangx.xu at intel.com>