net: add driver for OpenCores 10/100 Mbps ethernet MAC
This patch introduces a driver for the OpenCores 10/100 Mbps ethernet
MAC core, ported from Linux kernel with small changes.
Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>