nodedev: introduce virtnodedevd daemon

The virtnodedevd daemon will be responsible for providing the nodedev API
driver functionality. The nodedev driver is still loaded by the main
libvirtd daemon at this stage, so virtnodedevd must not be running at
the same time.

Reviewed-by: Andrea Bolognani <abologna@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

.gitignore

@@ -160,6 +160,9 @@
 /src/network/test_virtnetworkd.aug
 /src/network/virtnetworkd.aug
 /src/network/virtnetworkd.conf
+/src/node_device/test_virtnodedevd.aug
+/src/node_device/virtnodedevd.aug
+/src/node_device/virtnodedevd.conf
 /src/qemu/test_libvirtd_qemu.aug
 /src/remote/*_client_bodies.h
 /src/remote/*_protocol.[ch]
@@ -186,6 +189,7 @@
 /src/virtlockd
 /src/virtlogd
 /src/virtnetworkd
+/src/virtnodedevd
 /src/virtproxyd
 /src/virtsecretd
 /src/virtstoraged