perf tools: Add initial entry point for decoder CoreSight traces

This patch adds the entry point for CoreSight trace decoding, serving as
a jumping board for furhter expansions.

Co-authored-by: Tor Jeremiassen <tor@ti.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Mike Leach <mike.leach@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1516211539-5166-3-git-send-email-mathieu.poirier@linaro.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/auxtrace.c

@@ -52,6 +52,7 @@
 #include "debug.h"
 #include <subcmd/parse-options.h>
 
+#include "cs-etm.h"
 #include "intel-pt.h"
 #include "intel-bts.h"
 #include "arm-spe.h"
@@ -914,6 +915,7 @@ int perf_event__process_auxtrace_info(struct perf_tool *tool __maybe_unused,
 	case PERF_AUXTRACE_ARM_SPE:
 		return arm_spe_process_auxtrace_info(event, session);
 	case PERF_AUXTRACE_CS_ETM:
+		return cs_etm__process_auxtrace_info(event, session);
 	case PERF_AUXTRACE_UNKNOWN:
 	default:
 		return -EINVAL;