[PATCH] myri10ge: convert to netdev_alloc_skb

Convert the myri10ge driver to use netdev_alloc_skb instead of dev_alloc_skb,
which requires to propagate the net_device across several functions.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>