Convert the virtio pmd driver to use the PMD_REGISTER_DRIVER macro.
This means that the test applications now have no reference to the virtio library
when building DSO's and must specify its use on the command line with the -d
option. Static linking will still initalize the driver automatically.
Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>