REQ-627 add optional PCI VF address to Vgpu.t
REQ-627 add optional PCI VF address to Vgpu.t

A vGPU in SRIOV mode (non pass-through) has an associated virtual
function. This commit adds an address for it.

Signed-off-by: Christian Lindig <4f88b50bc9dba63c9a7d9e208d4b3ac6f1a52800@citrix.com>

xapi-project/message-switch,xapi-project/message-switch,xapi-project/message-switch