perf hists: Move sort__has_socket into struct perf_hpp_list

Now we have sort dimensions private for struct hists, we need to make
dimension booleans hists specific as well.

Moving sort__has_socket into struct perf_hpp_list.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1462276488-26683-6-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 4302f34..66f3139 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -245,6 +245,7 @@
 	int parent;
 	int sym;
 	int dso;
+	int socket;
 };
 
 extern struct perf_hpp_list perf_hpp_list;