powerpc/8xx: mark _PAGE_SHARED all types of kernel pages
powerpc/8xx: mark _PAGE_SHARED all types of kernel pages

All kernel pages have to be marked as shared in order to not perform
CASID verification.

Signed-off-by: Christophe Leroy <4e2d3d12816ace76f1cfa36c1816509bd24cf089@c-s.fr>
Signed-off-by: Scott Wood <b77916c2feab81a70245e7b5671f4f02730ebf64@freescale.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs