perf intel-pt/bts: Do not swap when synthesizing samples

Both 'perf inject' and internal tools consume cpu endian samples, so
there is never a need to do any swapping when synthesizing samples.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Link: http://lkml.kernel.org/r/1516108492-21401-2-git-send-email-adrian.hunter@intel.com


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