clk: Don't expose __clk_get_accuracy

As it's only used internally, in drivers/clk/clk.c.

Signed-off-by: Tomeu Vizoso <[email protected]>
Reviewed-by: Stephen Boyd <[email protected]>
Signed-off-by: Michael Turquette <[email protected]>

drivers/clk/clk.c

@@ -596,7 +596,7 @@ out:
 }
 EXPORT_SYMBOL_GPL(__clk_get_rate);
 
-unsigned long __clk_get_accuracy(struct clk *clk)
+static unsigned long __clk_get_accuracy(struct clk *clk)
 {
 	if (!clk)
 		return 0;