tracepoints: It is CONFIG_TRACEPOINTS not CONFIG_TRACEPOINT

When reading this note, CONFIG_TRACEPOINT searches my configuration
file, and the result is CONFIG_TRACEPOINTS, the search results are
consistent with the following macro definitions. I think it should be
repaired.

Link: https://lkml.kernel.org/r/20220721081904.3798-1-zeming@nfschina.com



Signed-off-by: Li zeming <zeming@nfschina.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>