trace-cmd: Rename tracefs_get_tracing_dir() to tracefs_tracing_dir()

The libtracefs API fo locating trace file system mount point is renamed,
use the new API in trace-cmd.

Link: https://lore.kernel.org/linux-trace-devel/20201222050646.375340-2-tz.stoyanov@gmail.com

Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
7 files changed