clk: Improve debug message in clk_set_default_rates()

It is helpful to print the clock number as well as the index, so that this
can be looked up in the binding file. Update the debug() statement to do
this.
Signed-off-by: NSimon Glass <sjg@chromium.org>
Reviewed-by: NPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>

drivers/clk/clk-uclass.c

@@ -228,8 +228,8 @@ static int clk_set_default_rates(struct udevice *dev)
 
 		ret = clk_set_rate(&clk, rates[index]);
 		if (ret < 0) {
-			debug("%s: failed to set rate on clock %d for %s\n",
-			      __func__, index, dev_read_name(dev));
+			debug("%s: failed to set rate on clock index %d (%ld) for %s\n",
+			      __func__, index, clk.id, dev_read_name(dev));
 			break;
 		}
 	}