vfio: Rename vfio-common.h to vfio-device.h

"hw/vfio/vfio-common.h" has been emptied of most of its declarations
by the previous changes and the only declarations left are related to
VFIODevice. Rename it to "hw/vfio/vfio-device.h" and make the
necessary adjustments.

Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Link: https://lore.kernel.org/qemu-devel/20250326075122.1299361-36-clg@redhat.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>

include/hw/s390x/vfio-ccw.h

@@ -14,7 +14,7 @@
 #ifndef HW_VFIO_CCW_H
 #define HW_VFIO_CCW_H
 
-#include "hw/vfio/vfio-common.h"
+#include "hw/vfio/vfio-device.h"
 #include "hw/s390x/s390-ccw.h"
 #include "hw/s390x/ccw-device.h"
 #include "qom/object.h"

include/hw/vfio/vfio-device.h

@@ -1,5 +1,5 @@
 /*
- * common header for vfio based device assignment support
+ * VFIO Device interface
  *
  * Copyright Red Hat, Inc. 2012
  *

include/hw/vfio/vfio-platform.h

@@ -17,7 +17,7 @@
 #define HW_VFIO_VFIO_PLATFORM_H
 
 #include "hw/sysbus.h"
-#include "hw/vfio/vfio-common.h"
+#include "hw/vfio/vfio-device.h"
 #include "qemu/event_notifier.h"
 #include "qemu/queue.h"
 #include "qom/object.h"