powerpc/85xx: Add P1023RDB board support

P1023RDB Specification:
-----------------------
Memory subsystem:
   512MB DDR3 (Fixed DDR on board)
   64MB NOR flash
   128MB NAND flash

Ethernet:
   eTSEC1: Connected to Atheros AR8035 GETH PHY
   eTSEC2: Connected to Atheros AR8035 GETH PHY

PCIe:
   Three mini-PCIe slots

USB:
   Two USB2.0 Type A ports

I2C:
   AT24C08 8K Board EEPROM (8 bit address)

Signed-off-by: Chunhe Lan <Chunhe.Lan@freescale.com>
Cc: Scott Wood <scottwood@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
diff --git a/boards.cfg b/boards.cfg
index 4993220..c0c4282 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -831,6 +831,7 @@
 P1022DS_SDCARD               powerpc     mpc85xx     p1022ds             freescale	-	    P1022DS:SDCARD
 P1022DS_36BIT_SDCARD         powerpc     mpc85xx     p1022ds             freescale	-	    P1022DS:36BIT,SDCARD
 P1022DS_36BIT                powerpc     mpc85xx     p1022ds             freescale      -           P1022DS:36BIT
+P1023RDB                     powerpc     mpc85xx     p1023rdb            freescale      -           P1023RDB
 P1023RDS                     powerpc     mpc85xx     p1023rds            freescale      -           P1023RDS
 P1023RDS_NAND                powerpc     mpc85xx     p1023rds            freescale      -           P1023RDS:NAND
 P1024RDB                     powerpc     mpc85xx     p1_p2_rdb_pc        freescale      -           p1_p2_rdb_pc:P1024RDB