xen/arm: Add support for Xilinx ZynqMP PCI host controller
Add support for Xilinx ZynqMP PCI host controller to map the PCI config
space to the XEN memory.
Patch helps to understand how the generic infrastructure for PCI
host-bridge discovery will be used for future references.
Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@epam.com>
Signed-off-by: Rahul Singh <rahul.singh@arm.com>
Reviewed-by: Bertrand Marquis <bertrand.marquis@arm.com>
Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>