qemu: Add function to hotplug vfio device
qemu: Add function to hotplug vfio device

Add ability to hotplug a pci device bound to
vfio-pci driver.

Signed-off-by: Archana Shinde <047ac45ce396f63f3cf93ff43725668e736e0632@intel.com>

ciao-project/ciao,01org/ciao,01org/ciao,kaccardi/ciao,kaccardi/ciao,ciao-project/ciao