[dts] [PATCH V1] tests/vm2vm_virtio_user: remove no-pci param when start vhost testpmd in cbdma case

[Tu, Lijuan]

> 1.remove no-pci param when start vhost testpmd in cbdma case 2.use
> different prefix in vuser0 and vuser1 when start testpmd
> 
> Signed-off-by: lingwei <weix.ling at intel.com>

Applied