libqos/fw_cfg: refactor file directory iteraton to make it more reusable

fw-cfg file directory iteration code can be used by other functions that may
want to implement fw-cfg file operations. Refactor it into a smaller helper
so that it can be reused.

No functional change.

Signed-off-by: Ani Sinha <anisinha@redhat.com>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Message-ID: <20250120043847.954881-2-anisinha@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
1 file changed