Let trace find the file and switch back to old definition

This reverts commit 46a9cb968290a85fbcc0db1d9f9ae1b9b81bfdf3.
Allow defconfig to define unaligned memory access

No need to hardcode y, it shouldn't be

This reverts commit 8a2b230b51a307e8a81d8b90268b291eb905b034.