powerpc: T1042D4RDB: Separate from T1042RDB in Kconfig
Use TARGET_T1042D4RDB in Kconfig to simplify config options.
Remove macro CONFIG_T1042D4RDB.
Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/t104xrdb/Kconfig b/board/freescale/t104xrdb/Kconfig
index 410c9a5..e33d317 100644
--- a/board/freescale/t104xrdb/Kconfig
+++ b/board/freescale/t104xrdb/Kconfig
@@ -1,4 +1,6 @@
-if TARGET_T1040RDB || TARGET_T1040D4RDB || TARGET_T1042RDB || TARGET_T1042RDB_PI
+if TARGET_T1040RDB || TARGET_T1040D4RDB || \
+ TARGET_T1042RDB || TARGET_T1042D4RDB || \
+ TARGET_T1042RDB_PI
config SYS_BOARD
default "t104xrdb"