arm: mxs: Correct CONFIG_SPL_NO_CPU_SUPPORT option

At present this is defined in Kconfig but there is a separate one in the
CONFIG whitelist. It looks like these are duplicates.

Rename the non-Kconfig one and remove it from the whitelist.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/arm/cpu/arm926ejs/Makefile b/arch/arm/cpu/arm926ejs/Makefile
index fdb0c92..b051025 100644
--- a/arch/arm/cpu/arm926ejs/Makefile
+++ b/arch/arm/cpu/arm926ejs/Makefile
@@ -7,7 +7,7 @@
 obj-y	= cpu.o cache.o
 
 ifdef	CONFIG_SPL_BUILD
-ifdef	CONFIG_SPL_NO_CPU_SUPPORT_CODE
+ifdef	CONFIG_SPL_NO_CPU_SUPPORT
 extra-y	:=
 endif
 endif
diff --git a/include/configs/mxs.h b/include/configs/mxs.h
index 6cadd72..e079f80 100644
--- a/include/configs/mxs.h
+++ b/include/configs/mxs.h
@@ -45,7 +45,7 @@
 
 /* SPL */
 #ifndef CONFIG_SPL_FRAMEWORK
-#define CONFIG_SPL_NO_CPU_SUPPORT_CODE
+#define CONFIG_SPL_NO_CPU_SUPPORT
 #define CONFIG_SPL_START_S_PATH	"arch/arm/cpu/arm926ejs/mxs"
 #endif
 
diff --git a/scripts/config_whitelist.txt b/scripts/config_whitelist.txt
index 5a007d3..cb85535 100644
--- a/scripts/config_whitelist.txt
+++ b/scripts/config_whitelist.txt
@@ -1721,7 +1721,6 @@
 CONFIG_SPL_NAND_RAW_ONLY
 CONFIG_SPL_NAND_SOFTECC
 CONFIG_SPL_NAND_WORKSPACE
-CONFIG_SPL_NO_CPU_SUPPORT_CODE
 CONFIG_SPL_PAD_TO
 CONFIG_SPL_PANIC_ON_RAW_IMAGE
 CONFIG_SPL_PBL_PAD