find-debuginfo: Allow for specifying output dir for all *.list files

[Mark Wielaard]

Hi Michal,

On Wed, Oct 29, 2025 at 04:11:52PM +0100, Michal Domonkos via Debugedit wrote:
> This patch series adds a new switch to the find-debuginfo script that allows
> for overriding the output directory which otherwise defaults to the builddir
> argument. A test is included as well. See the commit messages for details.

Again apologies I forgot about this.  The patches look really
good. The only change I made was for the AT_KEYWORDS in the tests and
pushed all three with that small change.

Thanks,

Mark