Revert "sparc/PCI: Clip bridge windows to fit in upstream windows"

Revert "sparc/PCI: Clip bridge windows to fit in upstream windows"

This reverts commit 500e4463b623e784151b7e20f4a4bccef9ae85d7.

David Ahern reported that 500e4463b623 breaks booting on an 8-socket T5
sparc system.  He also verified that the system boots with 500e4463b623
reverted.  Yinghai has some fixes, but they need a little more polishing
than we can do before v4.0.

Link: http://lkml.kernel.org/r/5514391F.2030300@oracle.com
Link: http://lkml.kernel.org/r/1427857069-6789-1-git-send-email-yinghai@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: stable@vger.kernel.org	# v3.19+