rtc: hym8563: Remove CLK_IS_ROOT

This flag is a no-op now (see commit 47b0eeb3dc8a "clk: Deprecate
CLK_IS_ROOT", 2016-02-02) so remove it.

Cc: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c
index b1b4746..2072703 100644
--- a/drivers/rtc/rtc-hym8563.c
+++ b/drivers/rtc/rtc-hym8563.c
@@ -413,7 +413,7 @@
 
 	init.name = "hym8563-clkout";
 	init.ops = &hym8563_clkout_ops;
-	init.flags = CLK_IS_ROOT;
+	init.flags = 0;
 	init.parent_names = NULL;
 	init.num_parents = 0;
 	hym8563->clkout_hw.init = &init;