treewide: Fix typos in printk

This patch fix spelling typos in printk from various part
of the codes.

Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c
index c1658fe..981a668 100644
--- a/drivers/watchdog/watchdog_core.c
+++ b/drivers/watchdog/watchdog_core.c
@@ -262,7 +262,7 @@
 
 		ret = register_restart_handler(&wdd->restart_nb);
 		if (ret)
-			pr_warn("watchog%d: Cannot register restart handler (%d)\n",
+			pr_warn("watchdog%d: Cannot register restart handler (%d)\n",
 				wdd->id, ret);
 	}