After switching from ifconfig to ip, networking stopped working. This
commit contains the following fixes:
* set a decent broadcast address for the tap device;
* bring up the device;
* add the route using ip tool instead of the old route tool;
(From OE-Core rev: a286514e2311f52b54d3571dbac6d34aff39e591)
Signed-off-by: Laurentiu Palcu <laurentiu.palcu@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>