powerpc/85xx: enable some P1/P2 boards mtdparts for nor flash

Enable these boards mtdparts for nor flash:
p1020rdb-pd, p1021rdb-pc, p1022ds, p1025twr, and p2020rdb-pc.

Signed-off-by: Xie Xiaobo <X.Xie@freescale.com>
Signed-off-by: Yangbo Lu <yangbo.lu@freescale.com>
Cc: York Sun <yorksun@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
diff --git a/include/configs/P1022DS.h b/include/configs/P1022DS.h
index 54e2569..bd08090 100644
--- a/include/configs/P1022DS.h
+++ b/include/configs/P1022DS.h
@@ -616,6 +616,25 @@
 #endif
 
 /*
+ * Dynamic MTD Partition support with mtdparts
+ */
+#define CONFIG_MTD_DEVICE
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_CMD_MTDPARTS
+#define CONFIG_FLASH_CFI_MTD
+#ifdef CONFIG_PHYS_64BIT
+#define MTDIDS_DEFAULT "nor0=fe8000000.nor"
+#define MTDPARTS_DEFAULT "mtdparts=fe8000000.nor:48m(ramdisk)," \
+			"14m(diagnostic),2m(dink),6m(kernel),58112k(fs)," \
+			"512k(dtb),768k(u-boot)"
+#else
+#define MTDIDS_DEFAULT "nor0=e8000000.nor"
+#define MTDPARTS_DEFAULT "mtdparts=e8000000.nor:48m(ramdisk)," \
+			"14m(diagnostic),2m(dink),6m(kernel),58112k(fs)," \
+			"512k(dtb),768k(u-boot)"
+#endif
+
+/*
  * Environment
  */
 #ifdef CONFIG_SPIFLASH