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/board/freescale/b4860qds/ddr.c b/board/freescale/b4860qds/ddr.c
index 2d14923..187c3b3 100644
--- a/board/freescale/b4860qds/ddr.c
+++ b/board/freescale/b4860qds/ddr.c
@@ -9,11 +9,11 @@
 #include <common.h>
 #include <i2c.h>
 #include <hwconfig.h>
+#include <fsl_ddr.h>
 #include <asm/mmu.h>
-#include <asm/fsl_ddr_sdram.h>
-#include <asm/fsl_ddr_dimm_params.h>
+#include <fsl_ddr_sdram.h>
+#include <fsl_ddr_dimm_params.h>
 #include <asm/fsl_law.h>
-#include <../arch/powerpc/cpu/mpc8xxx/ddr/ddr.h>
 
 DECLARE_GLOBAL_DATA_PTR;