This fixes the network configuration for qemumips & qemuppc to match the
other qemu* machines.
(From OE-Core rev: cb181eb4dc2c20a70153f9d69d732978566ba4f7)
Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>