powerpc: Fix inconsistent of_node_to_nid EXPORT_SYMBOL handling

[Michael Ellerman]

On Wed, 2017-02-01 at 22:52:42 UTC, Shailendra Singh wrote:
> The generic implementation of of_node_to_nid is EXPORT_SYMBOL.
> 
> The powerpc implementation added by following commit is EXPORT_SYMBOL_GPL.
> commit 953039c8df7b ("[PATCH] powerpc: Allow devices to register with numa
> topology")
> 
> This creates an inconsistency for of_node_to_nid callers across
> architectures.
> 
> Update the powerpc implementation to be exported consistently with the
> generic implementation.
> 
> Signed-off-by: Shailendra Singh <shailendras at nvidia.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/be9ba9ff93cc3e44dc46da9ed25655

cheers