Force enable ADD_LIBGCC_FUNCTIONS on arm

extra/Configs/Config.arm

@@ -20,10 +20,6 @@ config ARCH_LDFLAGS
 config LIBGCC_CFLAGS
 	string
 
-config ADD_LIBGCC_FUNCTIONS
-	bool
-	default y
-
 choice
 	prompt "Target Processor Type"
 	default CONFIG_GENERIC_ARM
@@ -84,9 +80,11 @@ choice
 	  Endian, or Little Endian.
 
 config ARCH_LITTLE_ENDIAN
+	select ADD_LIBGCC_FUNCTIONS
 	bool "Little Endian"
 
 config ARCH_BIG_ENDIAN
+	select ADD_LIBGCC_FUNCTIONS
 	bool "Big Endian"
 
 endchoice