p1010rdb: enable mtdparts for NAND

The default partition table matches the .dts files for these boards in
Linux.  This allows these partitions to be used by name with U-Boot's
"nand" command.

Signed-off-by: Zhao Qiang <B45475@freescale.com>
diff --git a/include/configs/P1010RDB.h b/include/configs/P1010RDB.h
index c1cfbd4..50c365a 100644
--- a/include/configs/P1010RDB.h
+++ b/include/configs/P1010RDB.h
@@ -313,6 +313,13 @@
 #define CONFIG_SYS_NAND_BASE_PHYS	CONFIG_SYS_NAND_BASE
 #endif
 
+#define CONFIG_MTD_DEVICE
+#define CONFIG_MTD_PARTITION
+#define CONFIG_CMD_MTDPARTS
+#define MTDIDS_DEFAULT			"nand0=ff800000.flash"
+#define MTDPARTS_DEFAULT		\
+	"mtdparts=ff800000.flash:2m(uboot-env),1m(dtb),5m(kernel),56m(fs),-(usr)"
+
 #define CONFIG_SYS_NAND_CSPR	(CSPR_PHYS_ADDR(CONFIG_SYS_NAND_BASE_PHYS) \
 				| CSPR_PORT_SIZE_8	\
 				| CSPR_MSEL_NAND	\