If something triggers a rebuild of the do_unpack2 task, it will fail if its
already run once. This patch ensures that it can be called multiple times.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

Add support for the Intel Active Management Technology (AMT) Local
Manageability Service (LMS) daemon.

The Intel LMS daemon allows applications to access the Intel AMT
firmware via the Intel Management Engine Interface (MEI).

Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>