Driver/DDR: Moving Freescale DDR driver to a common driver

Freescale DDR driver has been used for mpc83xx, mpc85xx, mpc86xx SoCs.
The similar DDR controllers will be used for ARM-based SoCs.

Signed-off-by: York Sun <yorksun@freescale.com>
diff --git a/include/configs/P2020DS.h b/include/configs/P2020DS.h
index 8a29eaa..9d3d9b3 100644
--- a/include/configs/P2020DS.h
+++ b/include/configs/P2020DS.h
@@ -109,9 +109,9 @@
 /* DDR Setup */
 #define CONFIG_VERY_BIG_RAM
 #ifdef CONFIG_DDR2
-#define CONFIG_FSL_DDR2
+#define CONFIG_SYS_FSL_DDR2
 #else
-#define CONFIG_FSL_DDR3		1
+#define CONFIG_SYS_FSL_DDR3		1
 #endif
 
 /* ECC will be enabled based on perf_mode environment variable */