merge some HP changes into mainline, describe some previously
undocumented features, describe more of the target commands
available, eliminate obsolete section on renamed commands.
* all-cfg.texi, HPPA-cfg.texi: Remove some obsolete conditionals.
as part of a project to merge in changes made by HP.
all-cfg.texi -- set HPPA for HP PA-RISC targets.
refcard.tex -- change documentation about catch; removed info catch.
HPPA-cfg.texi -- new file; HPPA configuration for manual.
* Makefile.in: depend on remote.texi rather than gdbinv-s.texi
* remote.texi: (Server) New node on gdbserver. (Remote Serial,
ST2000 Remote, MIPS Remote): mention `host:port' syntax for TCP.
* remote.texi: new name for former gdbinv-s.texi
* gdb.texinfo: use remote.texi rather than gdbinv-s.texi