powerpc/85xx: Enable eSPI controller & SPI boot support on P2020DS

Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Zhao Chenhui <b35336@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/boards.cfg b/boards.cfg
index a71b1bb..18a4494 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -551,6 +551,7 @@
 P2020DS_36BIT                powerpc     mpc85xx     p2020ds             freescale      -           P2020DS:36BIT
 P2020DS_DDR2                 powerpc     mpc85xx     p2020ds             freescale      -           P2020DS:DDR2
 P2020DS_SDCARD               powerpc     mpc85xx     p2020ds             freescale      -           P2020DS:SDCARD
+P2020DS_SPIFLASH             powerpc     mpc85xx     p2020ds             freescale      -           P2020DS:SPIFLASH
 P2020RDB                     powerpc     mpc85xx     p1_p2_rdb           freescale      -           P1_P2_RDB:P2020RDB
 P2020RDB_36BIT               powerpc     mpc85xx     p1_p2_rdb           freescale      -           P1_P2_RDB:P2020RDB,36BIT
 P2020RDB_36BIT_SDCARD        powerpc     mpc85xx     p1_p2_rdb           freescale      -           P1_P2_RDB:P2020RDB,36BIT,SDCARD