powerpc: T2080RDB: Remove macro CONFIG_T2080RDB

Use TARGET_T2080RDB from Kconfig instead.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/arch/powerpc/include/asm/fsl_secure_boot.h b/arch/powerpc/include/asm/fsl_secure_boot.h
index 95569a1..89ca45c 100644
--- a/arch/powerpc/include/asm/fsl_secure_boot.h
+++ b/arch/powerpc/include/asm/fsl_secure_boot.h
@@ -30,7 +30,7 @@
 	defined(CONFIG_TARGET_T4160QDS) || \
 	defined(CONFIG_TARGET_T4240QDS) || \
 	defined(CONFIG_TARGET_T2080QDS) || \
-	defined(CONFIG_T2080RDB) || \
+	defined(CONFIG_TARGET_T2080RDB) || \
 	defined(CONFIG_TARGET_T1040QDS) || \
 	defined(CONFIG_T104xD4QDS) || \
 	defined(CONFIG_TARGET_T1040RDB) || \
diff --git a/board/freescale/t208xrdb/Makefile b/board/freescale/t208xrdb/Makefile
index cd8fe09..25ea66a 100644
--- a/board/freescale/t208xrdb/Makefile
+++ b/board/freescale/t208xrdb/Makefile
@@ -7,7 +7,7 @@
 ifdef CONFIG_SPL_BUILD
 obj-y	+= spl.o
 else
-obj-$(CONFIG_T2080RDB) += t208xrdb.o eth_t208xrdb.o cpld.o
+obj-$(CONFIG_TARGET_T2080RDB) += t208xrdb.o eth_t208xrdb.o cpld.o
 obj-$(CONFIG_PCI)      += pci.o
 endif
 
diff --git a/include/configs/T208xRDB.h b/include/configs/T208xRDB.h
index af22900..454bfdc 100644
--- a/include/configs/T208xRDB.h
+++ b/include/configs/T208xRDB.h
@@ -11,7 +11,6 @@
 #ifndef __T2080RDB_H
 #define __T2080RDB_H
 
-#define CONFIG_T2080RDB
 #define CONFIG_ICS307_REFCLK_HZ 25000000  /* ICS307 ref clk freq */
 #define CONFIG_USB_EHCI
 #define CONFIG_FSL_SATA_V2
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index f4627ca..3a71753 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -7792,7 +7792,6 @@
 CONFIG_SYS_ZYNQ_QSPI_WAIT
 CONFIG_SYS_ZYNQ_SPI_WAIT
 CONFIG_SYS_i2C_FSL
-CONFIG_T2080RDB
 CONFIG_T2081QDS
 CONFIG_TAM3517_SETTINGS
 CONFIG_TAM3517_SW3_SETTINGS