Stop using TMPDIR

* This is used by a lot of things, and the script removes
  the entire directory. That can cause issues with other things,
  that don't expect the root TMPDIR to go away, or some contents
  within it.
* Let's use our own variable
* You can still keep setting TMPDIR since mktemp respects that

Change-Id: I6c71ce38bab781cd7a8d285499f127c2bf248eb8
1 file changed
tree: 80c0154bf63eecc939103604db53c7dd5a10d186
  1. templates/
  2. extract_ota.py
  3. extract_utils.sh
  4. sdat2img.py
  5. sort-blobs-list.py