clk: versatile: pass a name to ICST clock provider

When we have more than one of these clocks in a system (such as
on the IM-PD1) we need a mechanism to pass a name for the clock.
Refactor to add this as an argument.

Acked-by: Mike Turquette <mturquette@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c
index f5e4c21..8cbfcf8 100644
--- a/drivers/clk/versatile/clk-icst.c
+++ b/drivers/clk/versatile/clk-icst.c
@@ -119,6 +119,7 @@
 
 struct clk *icst_clk_register(struct device *dev,
 			const struct clk_icst_desc *desc,
+			const char *name,
 			void __iomem *base)
 {
 	struct clk *clk;
@@ -130,7 +131,7 @@
 		pr_err("could not allocate ICST clock!\n");
 		return ERR_PTR(-ENOMEM);
 	}
-	init.name = "icst";
+	init.name = name;
 	init.ops = &icst_ops;
 	init.flags = CLK_IS_ROOT;
 	init.parent_names = NULL;