tracing: Use trace_seq_puts()/trace_seq_putc() where possible

For string without format specifiers, use trace_seq_puts()
or trace_seq_putc().

Link: http://lkml.kernel.org/r/51E3B3AC.1000605@huawei.com
Signed-off-by: zhangwei(Jovi) <jovi.zhangwei@huawei.com>
[ fixed a trace_seq_putc(s, " ") to trace_seq_putc(s, ' ') ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

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

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

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

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

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

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