With the move to use lists instead of strings in subprocess
calls, package extraction was broken for ipk and deb. This
fixes this issue.
(From OE-Core rev: 3e1d8e5c7ac3238eda85ee95dfef044bef2a6411)
Signed-off-by: Mariano Lopez <mariano.lopez@linux.intel.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>