* it's possible that corresponding .tgz files were already removed
(e.g. with -d option and older version of this script) and this
won't find orphaned .siginfo or .done files to remove
* add sort -u to count files found multiple times only once
(From OE-Core rev: 5a58cd2474ed96d6f58576203bedf8211d309c99)
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>