powerpc/mpc8548cds: Add 36-bit support

Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/boards.cfg b/boards.cfg
index 03087a0..bd70a66 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -562,6 +562,7 @@
 MPC8541CDS_legacy            powerpc     mpc85xx     mpc8541cds          freescale      -           MPC8541CDS:LEGACY
 MPC8544DS                    powerpc     mpc85xx     mpc8544ds           freescale
 MPC8548CDS                   powerpc     mpc85xx     mpc8548cds          freescale      -           MPC8548CDS
+MPC8548CDS_36BIT             powerpc     mpc85xx     mpc8548cds          freescale      -           MPC8548CDS:36BIT
 MPC8548CDS_legacy            powerpc     mpc85xx     mpc8548cds          freescale      -           MPC8548CDS:LEGACY
 MPC8555CDS                   powerpc     mpc85xx     mpc8555cds          freescale      -           MPC8555CDS
 MPC8555CDS_legacy            powerpc     mpc85xx     mpc8555cds          freescale      -           MPC8555CDS:LEGACY