ASoC: Fix logging severity for some S3C error messages

Upgrade the severity of some failure messages from debug level so
they're displayed by default.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/s3c24xx/s3c-i2s-v2.c b/sound/soc/s3c24xx/s3c-i2s-v2.c
index b7b8e47..295a4c9 100644
--- a/sound/soc/s3c24xx/s3c-i2s-v2.c
+++ b/sound/soc/s3c24xx/s3c-i2s-v2.c
@@ -553,7 +553,7 @@
 
 	i2s->iis_pclk = clk_get(dev, "iis");
 	if (i2s->iis_pclk == NULL) {
-		pr_debug("failed to get iis_clock\n");
+		dev_err(dev, "failed to get iis_clock\n");
 		iounmap(i2s->regs);
 		return -ENOENT;
 	}