clk: Fix clk_get_by_* handling of index

clk_get_by_index_nodev only ever fetched clock 1, due to passing a boolean
predicate instead of the index. Other clk_get_by_* functions got the clock
correctly, but passed a predicate instead of the index to clk_get_by_tail.
This could lead to confusing error messages.

Signed-off-by: Sean Anderson <seanga2@gmail.com>
CC: Lukasz Majewski <lukma@denx.de>
diff --git a/drivers/clk/clk-uclass.c b/drivers/clk/clk-uclass.c
index 9ffc224..70df9d4 100644
--- a/drivers/clk/clk-uclass.c
+++ b/drivers/clk/clk-uclass.c
@@ -123,7 +123,7 @@
 
 
 	return clk_get_by_index_tail(ret, dev_ofnode(dev), &args, "clocks",
-				     index > 0, clk);
+				     index, clk);
 }
 
 int clk_get_by_index(struct udevice *dev, int index, struct clk *clk)
@@ -135,7 +135,7 @@
 					 index, &args);
 
 	return clk_get_by_index_tail(ret, dev_ofnode(dev), &args, "clocks",
-				     index > 0, clk);
+				     index, clk);
 }
 
 int clk_get_by_index_nodev(ofnode node, int index, struct clk *clk)
@@ -144,10 +144,10 @@
 	int ret;
 
 	ret = ofnode_parse_phandle_with_args(node, "clocks", "#clock-cells", 0,
-					     index > 0, &args);
+					     index, &args);
 
 	return clk_get_by_index_tail(ret, node, &args, "clocks",
-				     index > 0, clk);
+				     index, clk);
 }
 
 int clk_get_bulk(struct udevice *dev, struct clk_bulk *bulk)