Convert boards that use SMSC911x to use gpmc-smsc911x.
Also allocate struct platform_device dynamically.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Igor Grinberg <grinberg@compulab.co.il>
[tony@atomide.com: folded in a fix from Igor Grindberg]
Signed-off-by: Tony Lindgren <tony@atomide.com>