[dts][PATCH V2 2/2] tests/shutdown_api: wait for interface/link up

[Tu, Lijuan]

> > Subject: [dts][PATCH V2 2/2] tests/shutdown_api: wait for
> > interface/link up
> >
> > 1, use new method: is_interface_up/down to replace redundant code,
> > ensure link up/down.
> > 2, add tester's link check before send package.
> > 3, add testpmd's wait_link_status_up to ensure port is up.
> >
> > Signed-off-by: Yu Jiang <yux.jiang at intel.com>
> 
> Tested-by: Jiale Song < songx.jiale at intel.com> after apply framework patch [V2]
> framework/crb: Add functions of check and wait specified link status -
> Patchwork (dpdk.org), test passed.

Series applied.