gpio/omap: make non-wakeup GPIO part of pdata

Non-wakeup GPIOs are available only in OMAP2. Avoid cpu_is checks by making
non_wakeup_gpios as part of pdata.

Signed-off-by: Charulatha V <charu@ti.com>
Reviewed-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>