perf trace: Add read/write to the file group

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-l6812iuai3g486z3mn8ufan8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/trace/strace/groups/file

@@ -9,6 +9,7 @@ mkdir
 open
 openat
 quotactl
+read
 readlink
 rename
 rmdir
@@ -16,3 +17,4 @@ stat
 statfs
 symlink
 unlink
+write