hv: vpci: restore vbdf when pci dev un-assigned from uos

When a pci device assined to UOS, the virtual bdf is allocated by device model.
After the pci device un-assigned from UOS, it is back to SOS.
The virtual bdf should be restored.
The virtual bdf equals physical bdf for a pci device in SOS.

Tracked-On: #2788
Signed-off-by: Binbin Wu <binbin.wu@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>

Author: binbinwu1

hypervisor/dm/vpci/sharing_mode.c

@@ -251,6 +251,8 @@ void vpci_reset_ptdev_intr_info(const struct acrn_vm *target_vm, uint16_t vbdf,
 
 			if (vm != NULL) {
 				vdev->vpci = &vm->vpci;
+				/* vbdf equals to pbdf in sos */
+				vdev->vbdf.value = vdev->pdev->bdf.value;
 			}
 		}
 	}