virtio: define virtio_pci_cfg_cap in header.

We already have VIRTIO_PCI_CAP_PCI_CFG, let's define the structure that
goes with it.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2015-07-02 10:56:49 +02:00
commit 3121bb023e