[PATCH] gdb/doc: Update 'frame' command documentation.

[Eli Zaretskii]

> From: Andrew Burgess <andrew.burgess@embecosm.com>
> Cc: Andrew Burgess <andrew.burgess@embecosm.com>
> Date: Wed,  8 Jul 2015 17:45:01 +0100
> 
> The documentation for the 'frame' command has gotten a little out of
> date, it still mentions architecturally specific details that are no
> longer relevant.
> 
> This commit removes the old details that no longer apply, and tries to
> expand the existing text a little to make the usage clearer for some
> cases.
> 
> gdb/doc/ChangeLog:
> 
> 	* gdb.texinfo (Selection): Update documentation for 'frame'
> 	command.

OK, thanks.