The /install/tmp diectory is created during installation by
the smart package manager, we need to clean it up here
[YOCTO #6497]
(From OE-Core rev: d4f4ad5edd8914e696722c1a1c3ba7de091d4c19)
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>