[PATCH] smc91x: add support for LogicPD PXA270 platform

This patch adds support for the smc91x on the LogicPD PXA270 to
the smc91x driver.

Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>