sh: comment tidying for sh64->sh migration.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/boards/cayman/led.c b/arch/sh/boards/cayman/led.c
index b4e122f..a808eac 100644
--- a/arch/sh/boards/cayman/led.c
+++ b/arch/sh/boards/cayman/led.c
@@ -1,5 +1,5 @@
 /*
- * arch/sh64/mach-cayman/led.c
+ * arch/sh/boards/cayman/led.c
  *
  * Copyright (C) 2002 Stuart Menefy <stuart.menefy@st.com>
  *