trace: clean up format errors in calls to trace_seq_printf

After adding the printf format checking for trace_seq_printf, several
warnings now show up. This patch cleans them up.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --cc kernel/trace/kmemtrace.c
Simple merge

diff --cc kernel/trace/trace_mmiotrace.c
Simple merge

diff --cc kernel/trace/trace_output.c
Simple merge