Don't break AVR32 toolchain by hiding binutils-2.17

toolchain/binutils/Config.in

@@ -41,7 +41,7 @@ choice
 		bool "binutils 2.16.91.0.7"
 
 	config BR2_BINUTILS_VERSION_2_17
-		depends !BR2_nios2 && BR2_DEPRECATED
+		depends BR2_avr32 || !BR2_nios2 && BR2_DEPRECATED
 		bool "binutils 2.17"
 
 	config BR2_BINUTILS_VERSION_2_17_50_0_2