Documentation/rtla: Add include common_appendix.rst

Add include common_appendix.rst into
Documentation/tools/rtla/rtla-timerlat-hist.rst - the only file of
rtla-*.rst still without common_appendix.rst.

Signed-off-by: Costa Shulyupin <[email protected]>
Acked-by: Steven Rostedt (Google) <[email protected]>
Signed-off-by: Jonathan Corbet <[email protected]>
Link: https://lore.kernel.org/r/[email protected]

Author: makelinux

Documentation/tools/rtla/rtla-timerlat-hist.rst

@@ -107,3 +107,5 @@ SEE ALSO
 AUTHOR
 ======
 Written by Daniel Bristot de Oliveira <[email protected]>
+
+.. include:: common_appendix.rst