ASoC: Report error codes for card DAI instantiation failures

Also clean up the error print a bit.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index e9968ff..8751efd 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1566,7 +1566,8 @@
 	for (i = 0; i < card->num_links; i++) {
 		ret = soc_probe_dai_link(card, i);
 		if (ret < 0) {
-			printk(KERN_ERR "asoc: failed to instanciate card %s\n", card->name);
+			pr_err("asoc: failed to instantiate card %s: %d\n",
+			       card->name, ret);
 			goto probe_dai_err;
 		}
 	}