powerpc/mpc85xx: SECURE BOOT- Add secure boot target for T2080RDB

Secure Boot Target is added for T2080RDB

Changes:
For Secure boot, CPC is configured as SRAM and used as house
keeping area which needs to be disabled.
So CONFIG_SYS_CPC_REINIT_F is defined for CONFIG_T2080RDB.

Signed-off-by: Aneesh Bansal <aneesh.bansal@freescale.com>
diff --git a/boards.cfg b/boards.cfg
index b7c6da9..ba54e2f 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -969,6 +969,7 @@
 Active  powerpc     mpc85xx        -           freescale       t208xrdb            T2080RDB                              T208xRDB:PPC_T2080                                                                                                                -
 Active  powerpc     mpc85xx        -           freescale       t208xrdb            T2080RDB_NAND                         T208xRDB:PPC_T2080,RAMBOOT_PBL,SPL_FSL_PBL,NAND                                                                                   -
 Active  powerpc     mpc85xx        -           freescale       t208xrdb            T2080RDB_SDCARD                       T208xRDB:PPC_T2080,RAMBOOT_PBL,SPL_FSL_PBL,SDCARD                                                                                 -
+Active  powerpc     mpc85xx        -           freescale       t208xrdb            T2080RDB_SECURE_BOOT                  T208xRDB:PPC_T2080,SECURE_BOOT                                                                                                    Aneesh Bansal <aneesh.bansal@freescale.com>
 Active  powerpc     mpc85xx        -           freescale       t208xrdb            T2080RDB_SPIFLASH                     T208xRDB:PPC_T2080,RAMBOOT_PBL,SPL_FSL_PBL,SPIFLASH                                                                               -
 Active  powerpc     mpc85xx        -           freescale       t208xrdb            T2080RDB_SRIO_PCIE_BOOT               T208xRDB:PPC_T2080,SRIO_PCIE_BOOT_SLAVE,SYS_TEXT_BASE=0xFFF40000                                                                  -
 Active  powerpc     mpc85xx        -           freescale       t4qds               T4160QDS                              T4240QDS:PPC_T4160                                                                                                                -