iso9660: menu.lst fixup after move to fs

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

fs/iso9660/Config.in

@@ -10,7 +10,7 @@ config BR2_TARGET_ROOTFS_ISO9660
 config BR2_TARGET_ROOTFS_ISO9660_BOOT_MENU
 	string "Boot menu.lst file"
 	depends on BR2_TARGET_ROOTFS_ISO9660
-	default "target/iso9660/menu.lst"
+	default "fs/iso9660/menu.lst"
 
 comment "iso image requires a Linux kernel to be built"
 	depends on BR2_i386 && BR2_KERNEL_none