net/vmxnet3: use driver name from ethdev
net/vmxnet3: use driver name from ethdev

Signed-off-by: Jan Blunck <428a1e03bf18d7720952a3563b48222e4a94a135@infradead.org>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk