tracing: %pF is only for function pointers

Use %pS for actual addresses, otherwise you'll get bad output
on arches like ppc64 where %pF expects a function descriptor.

Link: http://lkml.kernel.org/r/1426130037-17956-22-git-send-email-scottwood@freescale.com



Signed-off-by: Scott Wood <scottwood@freescale.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>