[dts] [PATCH v1] tests/large_vf:support cvl 25G

[Tu, Lijuan]

> Add the judgment condition of cvl 25g network card, because 25g is different
> from 100g.
>   1. The max number of VFS is different
>   2. The number of VFS that can use 256 queues is different
>   3. fix hard code
> 
> Signed-off-by: Hailin Xu <hailinx.xu at intel.com>

Applied, thanks