mpc83xx: Add the cpu specific code for MPC8360E rev2.0 MDS

MPC8360E rev2.0 have new spridr,and PVR value,
The MDS board for MPC8360E rev2.0 has 32M bytes Flash and 256M DDR2 DIMM.

Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
diff --git a/include/mpc83xx.h b/include/mpc83xx.h
index 73f2721..33f02ef 100644
--- a/include/mpc83xx.h
+++ b/include/mpc83xx.h
@@ -83,6 +83,8 @@
 #define SPR_8360_REV11			0x80490011
 #define SPR_8360E_REV12			0x80480012
 #define SPR_8360_REV12			0x80490012
+#define SPR_8360E_REV20			0x80480020
+#define SPR_8360_REV20			0x80490020
 
 #define SPR_8323E_REV10			0x80620010
 #define SPR_8323_REV10			0x80630010