ddr: Remove <common.h> and add needed includes

Remove <common.h> from this driver directory and when needed
add missing include files directly.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/ddr/fsl/mpc85xx_ddr_gen2.c b/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
index b830e7c..00b4b37 100644
--- a/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
+++ b/drivers/ddr/fsl/mpc85xx_ddr_gen2.c
@@ -3,9 +3,9 @@
  * Copyright 2008-2011 Freescale Semiconductor, Inc.
  */
 
-#include <common.h>
+#include <config.h>
 #include <asm/io.h>
-#include <asm/processor.h>
+#include <asm/ppc.h>
 #include <fsl_ddr_sdram.h>
 #include <linux/delay.h>