build: fix menuconfig submenu sorting for gcc options

The hidden symbol GCC_USE_IREMAP was breaking it, move it to Config.version
instead

Signed-off-by: Felix Fietkau <[email protected]>

toolchain/gcc/Config.in

@@ -21,11 +21,6 @@ choice
 		bool "gcc 9.x"
 endchoice
 
-config GCC_USE_IREMAP
-	default y if ( GCC_USE_VERSION_5 || GCC_USE_VERSION_7 )
-	default n
-	bool
-
 config GCC_USE_GRAPHITE
 	bool
 	prompt "Compile in support for the new Graphite framework in GCC 4.4+" if TOOLCHAINOPTS

toolchain/gcc/Config.version

@@ -16,3 +16,8 @@ config GCC_VERSION
 	default "7.4.0"		if GCC_VERSION_7
 	default "9.2.0"		if GCC_VERSION_9
 	default "8.3.0"
+
+config GCC_USE_IREMAP
+	bool
+	default y if ( GCC_USE_VERSION_5 || GCC_USE_VERSION_7 )
+	default n