qapi: convert simple enum intros for vfio.json

Signed-off-by: John Snow <jsnow@redhat.com>
Message-ID: <20260909041640.69080-2-jsnow@redhat.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

qapi/vfio.json

@@ -10,14 +10,13 @@
 
 ##
 # @QapiVfioMigrationState:
-#
-# An enumeration of the VFIO device migration states.  In addition to
-# the regular states, there are prepare states (with 'prepare' suffix)
-# which indicate that the device is just about to transition to the
-# corresponding state.  Note that seeing a prepare state for state X
-# doesn't guarantee that the next state will be X, as the state
-# transition can fail and the device may transition to a different
-# state instead.
+#     An enumeration of the VFIO device migration states.  In addition
+#     to the regular states, there are prepare states (with 'prepare'
+#     suffix) which indicate that the device is just about to
+#     transition to the corresponding state.  Note that seeing a
+#     prepare state for state X doesn't guarantee that the next state
+#     will be X, as the state transition can fail and the device may
+#     transition to a different state instead.
 #
 # @stop: The device is stopped.
 #