staging/drm-lease: clarify connector naming

If the compositor advertises an output as a wp_drm_lease_connector_v1
and as wl_output, it should make the names match to allow clients to
identify the connection between the two outputs.

Signed-off-by: Xaver Hugl <xaver.hugl@gmail.com>
diff --git a/staging/drm-lease/drm-lease-v1.xml b/staging/drm-lease/drm-lease-v1.xml
index d4c960a..648f3bc 100644
--- a/staging/drm-lease/drm-lease-v1.xml
+++ b/staging/drm-lease/drm-lease-v1.xml
@@ -148,6 +148,10 @@
         indicate the name of this connector. This will not change for the
         duration of the Wayland session, but is not guaranteed to be consistent
         between sessions.
+
+        If the compositor supports wl_output version 4 and this connector
+        corresponds to a wl_output, the compositor should use the same name as
+        for the wl_output.
       </description>
       <arg name="name" type="string" summary="connector name" />
     </event>