qemu: memory-backend-ram capability probing

The numa patch series in qemu adds "memory-backend-ram" object type by
which we can tell whether we can use such objects.
Signed-off-by: NMartin Kletzander <mkletzan@redhat.com>

src/qemu/qemu_capabilities.c

@@ -260,6 +260,8 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "msg-timestamp",
               "active-commit",
               "change-backing-file",
+
+              "memory-backend-ram", /* 170 */
     );
 
 
@@ -1477,6 +1479,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "ich9-intel-hda", QEMU_CAPS_DEVICE_ICH9_INTEL_HDA },
     { "pvpanic", QEMU_CAPS_DEVICE_PANIC },
     { "usb-kbd", QEMU_CAPS_DEVICE_USB_KBD },
+    { "memory-backend-ram", QEMU_CAPS_OBJECT_MEMORY_RAM },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsObjectPropsVirtioBlk[] = {

src/qemu/qemu_capabilities.h

@@ -209,6 +209,7 @@ typedef enum {
     QEMU_CAPS_MSG_TIMESTAMP      = 167, /* -msg timestamp */
     QEMU_CAPS_ACTIVE_COMMIT      = 168, /* block-commit works without 'top' */
     QEMU_CAPS_CHANGE_BACKING_FILE = 169, /* change name of backing file in metadata */
+    QEMU_CAPS_OBJECT_MEMORY_RAM  = 170, /* -object memory-backend-ram */
 
     QEMU_CAPS_LAST,                   /* this must always be the last item */
 } virQEMUCapsFlags;