powerpc: T1024QDS: Rename Kconfig option to match the name

Rename TARGET_T102XQDS to TARGET_T1024QDS to match the name.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/configs/T1024QDS_NAND_defconfig b/configs/T1024QDS_NAND_defconfig
index 428bb9b..e8e7e69 100644
--- a/configs/T1024QDS_NAND_defconfig
+++ b/configs/T1024QDS_NAND_defconfig
@@ -8,7 +8,7 @@
 CONFIG_SPL_DRIVERS_MISC_SUPPORT=y
 CONFIG_VIDEO=y
 CONFIG_MPC85xx=y
-CONFIG_TARGET_T102XQDS=y
+CONFIG_TARGET_T1024QDS=y
 CONFIG_FIT=y
 CONFIG_FIT_VERBOSE=y
 CONFIG_OF_BOARD_SETUP=y