(ei386nw.c, eppcnw.c): New targets.
* config/{i386,ppc}-nw.mt, emulparams/{i386,ppc}nw.sh,
scripttmpl/nw.sc: New files, for i386 and powerpc netware.
* configure.in: Changed netware ld_target name to be {i386,ppc}-nw
instead of {i386,ppc}-elf.
* configure.in (sparc*-*-netware): Removed. There is no such
thing anymore.
