[dts] [PATCH V2] tests/vswitch_sample_cbdma:add test suite sync with test plan

[Tu, Lijuan]

> > v1:add test suite sync with test plan.
> >
> > v2:modify Copyright(c) <2019> to Copyright(c) <2021>.
> >
> > Signed-off-by: Ling Wei <weix.ling at intel.com>
> Acked-by: Wang, Yinan <yinan.wang at intel.com>

Applied