perf cs-etm: Add support for PTMv1.1 decoding

This patch is re-using the mechanic set forth by ETMv3 to add support
for PTM decoding.  Configuration for both encoding protocol is similar
but the generated stream itself is very different, hence requiring
special handling.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: coresight@lists.linaro.org
Cc: linux-arm-kernel@lists.infradead.org
Link: http://lkml.kernel.org/r/1543955944-10042-4-git-send-email-mathieu.poirier@linaro.org


Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>