PCI: Add PCIe quirks for PCIe root port

Add the PCIe quirks for sdxprairie root port. Without
this change there will be conflicts in the iommu group
for the end points across the switch. Adding the quirk
resolves each end points that has data traffic to
get its own iommu group.

Change-Id: I1c495889e76b84b2cef1cceee8fa3721778fc923
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>