sh: Add support SH7780

SH7780 is CPU of Renesas Technology.
This CPU has
 - CPU clock 400MHz
 - PCI support
 - DDR-SDRAM controller
 - etc ...

Signed-off-by: Yusuke Goda <goda.yusuke@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/include/asm-sh/cpu_sh4.h b/include/asm-sh/cpu_sh4.h
index 2658039..4d9e300 100644
--- a/include/asm-sh/cpu_sh4.h
+++ b/include/asm-sh/cpu_sh4.h
@@ -1,5 +1,5 @@
 /*
- * (C) Copyright 2007 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ * (C) Copyright 2007,2008 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
  *
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License as
@@ -34,6 +34,8 @@
 #include <asm/cpu_sh7750.h>
 #elif defined (CONFIG_CPU_SH7722)
 #include <asm/cpu_sh7722.h>
+#elif defined (CONFIG_CPU_SH7780)
+#include <asm/cpu_sh7780.h>
 #else
 #error "Unknown SH4 variant"
 #endif