clk: ti: Use of_clk_get_parent_count() instead of open coding

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/clk/ti/clockdomain.c

@@ -32,7 +32,7 @@ static void __init of_ti_clockdomain_setup(struct device_node *node)
 	int i;
 	int num_clks;
 
-	num_clks = of_count_phandle_with_args(node, "clocks", "#clock-cells");
+	num_clks = of_clk_get_parent_count(node);
 
 	for (i = 0; i < num_clks; i++) {
 		clk = of_clk_get(node, i);