[PATCH] gdb/riscv: delete target descriptions when gdb exits

[Andrew Burgess]

* Shahab Vahedi <shahab.vahedi@gmail.com> [2020-07-21 12:14:34 +0200]:

> Hi Andrew,
> 
> Thank you for your care. If the remarks from [1] are resolved, this
> looks (very) good to me.
> 
> I can also rework those remarks and apply the patch (under your name).
> 
> 
> Shahab
> 
> [1] Simon's remarks on second iteration of the patch
> https://sourceware.org/pipermail/gdb-patches/2020-July/170540.html

I resolved these issues and pushed this patch.  I hope you find this
helpful.

Thanks,
Andrew