staging: wilc1000: Include KERN_ facility level for printk()

This patch includes KERN_ facility level for printk(). KERN_INFO is
justified here as the messages here are informational.

Signed-off-by: Janani Ravichandran <janani.rvchndrn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/wilc1000/wilc_debugfs.c b/drivers/staging/wilc1000/wilc_debugfs.c
index c5c8cc9..6a39b16 100644
--- a/drivers/staging/wilc1000/wilc_debugfs.c
+++ b/drivers/staging/wilc1000/wilc_debugfs.c
@@ -69,9 +69,9 @@
 	atomic_set(&WILC_DEBUG_LEVEL, (int)flag);
 
 	if (flag == 0)
-		printk("Debug-level disabled\n");
+		printk(KERN_INFO "Debug-level disabled\n");
 	else
-		printk("Debug-level enabled\n");
+		printk(KERN_INFO "Debug-level enabled\n");
 
 	return count;
 }