pci: Initialize pci_dev->name before use

pci: Initialize pci_dev->name before use

This moves pci_dev->name initialization earlier so
pci_dev->bus_master_as could get a name instead of an empty string.

Reviewed-by: Philippe Mathieu-Daudé <[email protected]>
Reviewed-by: Peter Xu <[email protected]>
Signed-off-by: Alexey Kardashevskiy <[email protected]>
Reviewed-by: Michael S. Tsirkin <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>