* rs6000-pinsn.c (print_insn): Use powerpc disassembler when

    * rs6000-pinsn.c (print_insn):  Use powerpc disassembler when
        doing Power PC.
        * config/powerpc/tm-ppc-nw.h:  Define GDB_TARGET_POWERPC.

        * config/i386/i386lynx.mh, config/m68k/m68klynx.mh,
        config/rs6000/rs6000lynx.mh, config/sparc/sparclynx.mh:  Enable
        ser-tcp.

        * nlm/Makefile.in:  Get rid of NWSOURCE.
        * nlm/alpha-io.S (inVti, outVti):  Remove extraneous ldha's.
        * nlm/gdbserve.o:  Add dummy __main routine.
        * nlm/gdbserve.def:  Turn on debug.