[U-Boot] omap3: gpio: build warnings and errors

[Paulraj, Sandeep]

> 
> However, I couldn't find the definition of omap_get_gpio_dataout()
> used in board/ti/beagle/led.c.
> 
> The change was introduced in:
>   b8bc8973: led: Remove state-saving of led for...
> 
> After much search, I did find a patch that contains the defintion
> of omap_get_gpio_dataout() submitted yesterday:
>   http://marc.info/?l=u-boot&m=131515805732292&w=2
> 
> Can you pull this patch immediately (assuming it is correct)?
> ... for now, it will assume it right and update my patchset.

I will.