We may meet certain command failure during build time, for example,
out of memory. In this case, we need to clear the "building" status.
This fixes [YOCTO #2371]
(Bitbake rev: 283dbbbf5d34adb4c9e3aa87e3925fdebe21ff42)
Signed-off-by: Dongxiao Xu <dongxiao.xu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>