move thumb mode to toolchain options

target/config/Config.in

@@ -365,21 +365,6 @@ endchoice
 
 endmenu
 
-choice
-prompt "Use ARM thumb mode"
-depends on ADK_CPU_CORTEX_A9
-
-config ADK_LINUX_ARM_WITHOUT_THUMB
-	boolean "disabled"
-	select ADK_mode_arm
-
-config ADK_LINUX_ARM_WITH_THUMB
-	boolean "enabled"
-	select ADK_mode_thumb
-	select ADK_KERNEL_THUMB2_KERNEL
-
-endchoice
-
 # hardware features, do not use for qemu
 config ADK_TARGET_WITH_USB
 	boolean

toolchain/Config.in

@@ -44,4 +44,18 @@ config ADK_TOOLCHAIN_USE_GOLD
 	depends on ADK_TOOLCHAIN_GOLD
 	default n
 
+choice
+prompt "Use ARM thumb mode"
+depends on ADK_CPU_CORTEX_A9
+
+config ADK_LINUX_ARM_WITHOUT_THUMB
+	boolean "disabled"
+	select ADK_mode_arm
+
+config ADK_LINUX_ARM_WITH_THUMB
+	boolean "enabled"
+	select ADK_mode_thumb
+	select ADK_KERNEL_THUMB2_KERNEL
+
+endchoice
 endmenu