[ARM] PCI: add platform private data to pci_sys_data

Add private_data pointer to the pci_sys_data, this pointer can be
used for holding platform specific data for each pci controller.

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
1 file changed