* configure.in: Sparclite uses sparc config dir. Also has it's

	* configure.in:  Sparclite uses sparc config dir.  Also has it's
	own tm- & .mt files now.  Also add sparclite to configdirs.
	* go32-xdep.c:  Dummy routines for sigsetmask & strlwr.
	* config/i386/go32.mh:  Nullify def of TERMCAP.
	* config/i386/xm-go32.h:  Get rid of redef of EIO.
	* config/sparc/{sparclite.mh tm-sparclite.h}:  New sparclite
	specific configs.  Very similar to sun4os4, but without solib.
	* sparclite/{Makefile.in configure.in}:  First cut at making this
	dir configgable.