ppc/pegasos2: Fix reg property of 64 bit BARs in device tree

The board firmware handles this correctly following the Open Firmware
standard which we missed. This fixes 64 bit BARs when using VOF.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-ID: <20230721221320.1311E7456AB@zero.eik.bme.hu>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>

hw/ppc/pegasos2.c

@@ -781,7 +781,11 @@ static void add_pci_device(PCIBus *bus, PCIDevice *d, void *opaque)
         if (d->io_regions[i].type & PCI_BASE_ADDRESS_SPACE_IO) {
             cells[j] |= cpu_to_be32(1 << 24);
         } else {
-            cells[j] |= cpu_to_be32(2 << 24);
+            if (d->io_regions[i].type & PCI_BASE_ADDRESS_MEM_TYPE_64) {
+                cells[j] |= cpu_to_be32(3 << 24);
+            } else {
+                cells[j] |= cpu_to_be32(2 << 24);
+            }
             if (d->io_regions[i].type & PCI_BASE_ADDRESS_MEM_PREFETCH) {
                 cells[j] |= cpu_to_be32(4 << 28);
             }