libtraceevent: Add printk documentation to libtraceevent man page

Add the parsing of trace_printk() to the generic documentation page.

Link: https://lore.kernel.org/linux-trace-devel/20220922152510.3335601-4-rostedt@goodmis.org

Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
1 file changed