dca: module load should not be an error message

The message (if it must exist) should not be an error message.
IMHO such messages are useless.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c
index 7e318de..52e6bb7 100644
--- a/drivers/dca/dca-core.c
+++ b/drivers/dca/dca-core.c
@@ -372,7 +372,7 @@
 
 static int __init dca_init(void)
 {
-	printk(KERN_ERR "dca service started, version %s\n", DCA_VERSION);
+	pr_info("dca service started, version %s\n", DCA_VERSION);
 	return dca_sysfs_init();
 }