* tm-hppa.h: New file, architectural definition of HP PA.

* tm-hppa.h:  New file, architectural definition of HP PA.
* tm-hppabsd.h, tm-hppahpux.h:  Shrink to deltas from tm-hppa.h.

* am29k-pinsn.c, am29k-tdep.c, copying.awk, copying.c,
hppa-coredep.c, hppa-pinsn.c, hppabsd-core.c, hppabsd-tdep.c,
hppabsd-xdep.c, hppahpux-tdep.c, hppahpux-xdep.c, remote-udi.c,
ser-go32.c, xcoffsolib.c:  Remove <stdio.h> which is already in
"defs.h".

* hppa-coredep.c, hppa-pinsn.c, hppabsd-core.c, hppabsd-tdep.c,
hppabsd-xdep.c, hppahpux-tdep.c, hppahpux-xdep.c, xcoffsolib.c,
xcoffsolib.h, xm-go32.h, xm-hppabsd.h, xm-hppahpux.h:  Copyrights.