Don't prompt for endianness not suppoted by selected architecture.
Change suggested by Robert P. J. DAY <rpjday@mindspring.com>.
1 This is the README for crosstool-NG
3 To get you started, hust enter:
6 You can find a (terse and WIP) documentation in docs/.
8 You can also point your browser to
9 http://ymorin.is-a-geek.org/dokuwiki/doku.php?id=projects:crosstool