PR 1658/cpukit
* Makefile.am, configure.ac: If the system is not up, consider it a
fatal error. This eliminated sp61 and added spfatal23.
* spfatal23/.cvsignore, spfatal23/Makefile.am, spfatal23/spfatal23.doc,
spfatal23/spfatal23.scn, spfatal23/testcase.h: New files.
* sp61/.cvsignore, sp61/Makefile.am, sp61/init.c, sp61/sp61.doc,
sp61/sp61.scn: Removed.
