powerpc/pseries: Move controller ops from ppc_md to controller_ops

This moves the pSeries platform to use the pci_controller_ops structure,
rather than ppc_md for PCI controller operations.

Signed-off-by: Daniel Axtens <dja@axtens.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --cc arch/powerpc/platforms/pseries/iommu.c
Simple merge

diff --cc arch/powerpc/platforms/pseries/pci_dlpar.c
Simple merge

diff --cc arch/powerpc/platforms/pseries/pseries.h
Simple merge

diff --cc arch/powerpc/platforms/pseries/setup.c
Simple merge