[Bug c/60490] please define __LITTLE_ENDIAN__/__BIG_ENDIAN__ for every target where it makes sense

[echristo at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60490

--- Comment #4 from Eric Christopher <echristo at gmail dot com> ---
I disagree for bare metal that including endian is the right way, but agree
that __BYTE_ORDER__ is the right way to do this in general.

Thanks Jakub.