PCI: Remove messages about reassigning resources

When reassigning device resources to increase their alignment, e.g.,
because of a "pci=resource_alignment=" kernel parameter or because the
platform aligns resources to its page size, we previously emitted messages
like this:

  pci 0000:00:00.0: Disabling memory decoding and releasing memory resources
  pci 0000:00:00.0: disabling bridge mem windows

These messages don't convey any useful information, so remove them.

Fixes: 38274637 ("powerpc/powernv: Override pcibios_default_alignment() to force PCI devices to be page aligned")
Signed-off-by: Desnes A. Nunes do Rosario <desnesn@linux.vnet.ibm.com>
[bhelgaas: changelog]
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>