pci: Enable GSI routing (MSI type) for AArch64

In this commit we saved the BDF of a PCI device and set it to "devid"
in GSI routing entry, because this field is mandatory for GICv3-ITS.

Signed-off-by: Michael Zhao <michael.zhao@arm.com>

vmm/src/device_manager.rs

@@ -2615,6 +2615,7 @@ impl DeviceManager {
             msix_num,
             iommu_mapping_cb,
             interrupt_manager,
+            pci_device_bdf,
         )
         .map_err(DeviceManagerError::VirtioDevice)?;