Display all clocks in non-verbose mode too

Show clocks with > 0 usecount in "bold" text.
diff --git a/powerdebug.h b/powerdebug.h
index 25c8787..6b7f665 100644
--- a/powerdebug.h
+++ b/powerdebug.h
@@ -52,6 +52,7 @@
 
 extern int numregulators;
 extern int dump;
+extern double ticktime;
 
 extern void usage(char **argv);
 extern void version(void);