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