sh: Add support SH2/SH2A which is CPU of Renesas Technology

Add support SH2/SH2A basic function.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>
Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
index 388aa69..938a89c 100644
--- a/include/asm-sh/processor.h
+++ b/include/asm-sh/processor.h
@@ -1,6 +1,9 @@
 #ifndef _ASM_SH_PROCESSOR_H_
 #define _ASM_SH_PROCESSOR_H_
-#if defined CONFIG_SH3
+#if defined(CONFIG_SH2) || \
+	defined (CONFIG_SH2A)
+# include <asm/cpu_sh2.h>
+#elif defined (CONFIG_SH3)
 # include <asm/cpu_sh3.h>
 #elif defined (CONFIG_SH4) || \
 	defined (CONFIG_SH4A)