[RFA] Version 2 of patch to add 'maint profile-gdb' command

[Andrew Cagney]

> +  add_cmd ("profile-gdb", class_maintenance, maint_profile_gdb,
> +	   "Enable or disable profiling.",
> +	   &maintenancelist);

Jason, should have thought of this earlier, sorry.  Should this be 
``set/show maint profile-gdb''?  ``set/show remote ...'' provides 
cut/paste for implementing this.

As far as I can tell it isn't possible to examine the value of profile-gdb.

Andrew