[RFA] add gdbserver --remote-debug switch

[Eli Zaretskii]

> From: Pedro Alves <pedro@codesourcery.com>
> Date: Sun, 25 Jan 2009 22:40:18 +0000
> 
> gdb/doc/
> 2009-01-25  Pedro Alves  <pedro@codesourcery.com>
> 
> 	* gdb.texinfo (Using the `gdbserver' Program): Document
> 	--remote-debug.

This part is approved, thanks.