perf_counter tools: separate kerneltop into 'perf top' and 'perf stat'

Lets use the Git framework of built-in commands.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/Documentation/perf_counter/builtin.h b/Documentation/perf_counter/builtin.h
index 4163744..a3bb6cd 100644
--- a/Documentation/perf_counter/builtin.h
+++ b/Documentation/perf_counter/builtin.h
@@ -14,5 +14,6 @@
 extern int read_line_with_nul(char *buf, int size, FILE *file);
 extern int check_pager_config(const char *cmd);
 
-extern int cmd_top(int argc, const char **argv, const char *prefix);
+extern int cmd_top(int argc, char **argv, const char *prefix);
+extern int cmd_stat(int argc, char **argv, const char *prefix);
 #endif