omap: switch to add_generic_device ...

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>

Merge branch 'omap-drivers' into next

ARM omap: move devices-gpmc-nand.c to omap architecture directory ...

The original plan was to add all omap devices into the boards/omap
directory. Anyway, there will be reasons to put a board somewhere
else, so move the generic parts into the omap architecture directory.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>