perf tools: Move routines that probe for perf API features to separate file

Trying to disentangle this a bit further, unfortunately it uses
parse_events(), its interesting to have it separated anyway, so do it.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/arch/x86/util/intel-pt.c

@@ -25,6 +25,7 @@
 #include "../../../util/pmu.h"
 #include "../../../util/debug.h"
 #include "../../../util/auxtrace.h"
+#include "../../../util/perf_api_probe.h"
 #include "../../../util/record.h"
 #include "../../../util/target.h"
 #include "../../../util/tsc.h"