perf tools: Rename struct thread_map to struct perf_thread_map

Rename struct thread_map to struct perf_thread_map, so it could be part
of libperf.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20190721112506.12306-4-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 0109c87..fccc960 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1628,7 +1628,7 @@ struct perf_script {
 	bool			allocated;
 	bool			per_event_dump;
 	struct perf_cpu_map	*cpus;
-	struct thread_map	*threads;
+	struct perf_thread_map *threads;
 	int			name_width;
 	const char              *time_str;
 	struct perf_time_interval *ptime_range;