treewide: Fix typos in printk

Correct spelling typo 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/arch/mips/ralink/timer.c b/arch/mips/ralink/timer.c
index 2027857..e38692a 100644
--- a/arch/mips/ralink/timer.c
+++ b/arch/mips/ralink/timer.c
@@ -147,7 +147,7 @@
 	rt_timer_config(rt, 2);
 	rt_timer_enable(rt);
 
-	dev_info(&pdev->dev, "maximum frequncy is %luHz\n", rt->timer_freq);
+	dev_info(&pdev->dev, "maximum frequency is %luHz\n", rt->timer_freq);
 
 	return 0;
 }