[PATCH powerpc] Fix parameter restoring issue in commit 752a6422f

[Michael Ellerman]

On Wed, 2014-06-25 at 12:20 +0800, Li Zhong wrote:
> DaYu just reminded me that Michael already had a patch removing all the
> related code. 
> 
> Please ignore this patch..

Thanks for tracking down what the actual problem was.

cheers