When deploying ovs-dpdk, if nics for dpdk are not binded
to dpdk driver (vfio/uio), dpdk port won't be created as
dpdk type. ("Error attaching device '%s' to DPDK")
Therefore, before creating bridge for ovs-dpdk, nics
should be binded to proper dpdk driver
Change-Id: I1154202c9cdb5947e7a1bb7f3b34ce5d1d4b9224
Closes-Bug: #1769289
Signed-off-by: johjuhyun <juhyun.joh@samsung.com>