treewide: Fix typos in printk

This patch fix multiple spelling typos found in
various part of kernel.

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/sound/drivers/pcm-indirect2.c b/sound/drivers/pcm-indirect2.c
index e73fafd..d16bc14 100644
--- a/sound/drivers/pcm-indirect2.c
+++ b/sound/drivers/pcm-indirect2.c
@@ -47,7 +47,7 @@
 	int seconds = (rec->lastbytetime - rec->firstbytetime) / HZ;
 
 	snd_printk(KERN_DEBUG "STAT: mul_elapsed: %u, mul_elapsed_real: %d, "
-		   "irq_occured: %d\n",
+		   "irq_occurred: %d\n",
 		   rec->mul_elapsed, rec->mul_elapsed_real, rec->irq_occured);
 	snd_printk(KERN_DEBUG "STAT: min_multiple: %d (irqs/period)\n",
 		   rec->min_multiple);