sh: Move cpu/$CPU to arch/sh/cpu/$CPU

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
diff --git a/drivers/pci/pci_sh4.c b/drivers/pci/pci_sh4.c
index c7963ed..62915b6 100644
--- a/drivers/pci/pci_sh4.c
+++ b/drivers/pci/pci_sh4.c
@@ -4,7 +4,7 @@
  * (C) 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
  * (C) 2008 Yusuke Goda <goda.yusuke@renesas.com>
  *
- * u-boot/cpu/sh4/pci-sh4.c
+ * u-boot/arch/sh/cpu/sh4/pci-sh4.c
  *
  * See file CREDITS for list of people who contributed to this
  * project.