arm: move plat-orion platform_data headers to the right place

[Jason Cooper]

On Tue, Aug 28, 2012 at 10:11:34PM +0200, Andrew Lunn wrote:
> > This series has been built tested for orion5x_defconfig,
> > dove_defconfig, kirkwood_defconfig and mv78x00_defconfig.
> 
> Hi Thomas
> 
> It would be nice if you could also build test the affected powerpc
> platforms.

If my toolchain builds, I'll test it.

thx,

Jason.