[PATCH V5 28/31] powerpc/mm: Move WIMG update to helper.

[Anshuman Khandual]

On 11/23/2015 03:52 PM, Aneesh Kumar K.V wrote:
> Only difference here is, we apply the WIMG mapping early, so rflags
> passed to updatepp will also be changed.

This patch can be folded back with the previous patch.