clk: meson: silence debug print

This debug print was not designed to be active in non-debug mode.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
diff --git a/drivers/clk/clk_meson.c b/drivers/clk/clk_meson.c
index a096a35..f34f376 100644
--- a/drivers/clk/clk_meson.c
+++ b/drivers/clk/clk_meson.c
@@ -791,7 +791,7 @@
 		return -ENOENT;
 	}
 
-	printf("clock %lu has rate %lu\n", id, rate);
+	debug("clock %lu has rate %lu\n", id, rate);
 	return rate;
 }