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/examples/Makefile b/examples/Makefile
index 66b354d..b0a8853 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -67,6 +67,9 @@
 
 ifeq ($(ARCH),sh)
 LOAD_ADDR = 0x8C000000
+ifeq ($(CPU),sh2)
+BIG_ENDIAN=y
+endif
 endif
 
 ifeq ($(ARCH),sparc)