[media] cec-ioc-dqevent.rst: fix some undefined references

Documentation/output/cec.h.rst:6: WARNING: c:type reference target not found: cec_event_state_change
Documentation/output/cec.h.rst:6: WARNING: c:type reference target not found: cec_event_state_change
Documentation/output/cec.h.rst:6: WARNING: c:type reference target not found: cec_event_lost_msgs
Documentation/output/cec.h.rst:6: WARNING: c:type reference target not found: cec_event_lost_msgs
Documentation/output/cec.h.rst:6: WARNING: c:type reference target not found: cec_event_state_change
Documentation/output/cec.h.rst:6: WARNING: c:type reference target not found: cec_event_lost_msgs

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

Documentation/media/uapi/cec/cec-ioc-dqevent.rst

@@ -51,7 +51,7 @@ it is guaranteed that the state did change in between the two events.
 
 .. tabularcolumns:: |p{1.2cm}|p{2.9cm}|p{13.4cm}|
 
-.. _cec-event-state-change_s:
+.. c:type:: cec_event_state_change
 
 .. flat-table:: struct cec_event_state_change
     :header-rows:  0
@@ -78,7 +78,7 @@ it is guaranteed that the state did change in between the two events.
 
 .. tabularcolumns:: |p{1.0cm}|p{2.0cm}|p{14.5cm}|
 
-.. _cec-event-lost-msgs_s:
+.. c:type:: cec_event_lost_msgs
 
 .. flat-table:: struct cec_event_lost_msgs
     :header-rows:  0