* configure.in: Support cris-*-* and crisv32-*-*.
* libnosys/configure.in: Ditto.
* configure, libnosys/configure: Regenerate.
* cris: New directory.
* cris/crt0.S, cris/crtn.c, cris/gensyscalls, cris/linunistd.h,
cris/outbyte.c, cris/configure.in, cris/crti.c, cris/lcrt0.c,
cris/Makefile.in, cris/setup.S, cris/configure: New files.