Further reduce dump variable usage

The modified function are used on the display mode context, we no
longer need to pass the dump option.

Signed-off-by: Daniel Lezcano <daniel.lezcano@free.fr>
Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
diff --git a/powerdebug.h b/powerdebug.h
index 7ec7d96..d2bd4ec 100644
--- a/powerdebug.h
+++ b/powerdebug.h
@@ -35,7 +35,7 @@
 						struct clock_info *parent);
 extern void dump_clock_info(struct clock_info *clk, int level, int bmp);
 extern void insert_children(struct clock_info **parent, struct clock_info *clk);
-extern void find_parents_for_clock(char *clkname, int complete, bool dump);
+extern void find_parents_for_clock(char *clkname, int complete);
 extern int  read_and_print_clock_info(int verbose, int hrow, int selected);
 extern void print_clock_info(int verbose, int hrow, int selected);
 extern void print_string_val(char *name, char *val);