update powerpc.git next and pull in some of benh's mmu patches

[Josh Boyer]

On Mon, 15 Dec 2008 14:44:12 -0600
Kumar Gala <kumar.gala at freescale.com> wrote:

> Pathces left up to Josh & Ben
> 
> 3/16 powerpc/4xx: Extended DCR support v2

I'd like to test this one a bit.

> 13/16 powerpc/44x: No need to mask MSR:CE, ME or DE in _tlbil_va on 440

This one should be good to go.  I already Acked it.

> 16/16 powerpc/44x: 44x TLB doesn't need "Guarded" set for all pages

Would like to test this one as well.

Also, could you look at Hollis' memory size alignment patch.  That is
needed for the large page stuff.

josh