clk: s2mps11: Remove CLK_IS_ROOT

This flag is a no-op now. Remove usage of the flag.

Acked-by: Andi Shyti <andi.shyti@samsung.com>
Cc: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
index 371150a..f8c8397 100644
--- a/drivers/clk/clk-s2mps11.c
+++ b/drivers/clk/clk-s2mps11.c
@@ -99,17 +99,14 @@
 	[S2MPS11_CLK_AP] = {
 		.name = "s2mps11_ap",
 		.ops = &s2mps11_clk_ops,
-		.flags = CLK_IS_ROOT,
 	},
 	[S2MPS11_CLK_CP] = {
 		.name = "s2mps11_cp",
 		.ops = &s2mps11_clk_ops,
-		.flags = CLK_IS_ROOT,
 	},
 	[S2MPS11_CLK_BT] = {
 		.name = "s2mps11_bt",
 		.ops = &s2mps11_clk_ops,
-		.flags = CLK_IS_ROOT,
 	},
 };